Grammar Made Simple

Verb Tenses & Their Functions

It's not just about when — it's about why you choose one tense over another.

Present:"She works in Paris."   "She is working from home this week."
Past:"She left."   "She was leaving when I arrived."
Future:"She will call you."   "She is going to call you."
Present Tenses
All four describe situations connected to now — but in very different ways.
Present Simple
verb / verb+s
Fact / truthThings that are always or generally true.
"Water boils at 100°C."
Habit / routineThings done regularly.
"She goes to the gym on Mondays."
Permanent stateLong-term situations or feelings.
"I love jazz."   "He lives in Bangkok."
ScheduleFixed timetables and programmes.
"The train leaves at 9am."
Signal words: always, usually, often, sometimes, never, every day/week/month
Present Continuous
am/is/are + verb-ing
Action nowHappening at this very moment.
"He is talking on the phone."
TemporaryA situation that won't last.
"I'm staying at a hotel this week."
Future planA confirmed arrangement for the future.
"We're meeting them for dinner tomorrow."
Changing trendSomething developing or evolving.
"Prices are rising every month."
Signal words: now, at the moment, currently, today, this week, still, tomorrow (plans)
Present Perfect Simple
have/has + past participle
ExperienceA life experience (ever/never).
"Have you ever been to Japan?"
Recent newsA past event with present relevance.
"She has lost her keys — can you help?"
Unfinished timeIn a period of time that is not yet over.
"I've sent five emails this morning."
Since / forAn unfinished state from a past point.
"She has lived here for ten years."
Signal words: just, already, yet, ever, never, recently, for, since, today, this week/year
Present Perfect Continuous
have/has + been + verb-ing
Ongoing durationAction from the past that is still happening now, emphasising how long.
"I've been waiting for two hours."
Recent activityAn action that just stopped, visible in the present.
"You're out of breath — have you been running?"
vs. Present Perfect Simple: "I've read the book" (finished it) vs "I've been reading the book" (still reading / emphasis on the activity).
Signal words: for, since, all day/morning/week, how long, lately, recently

Exercise 1

Present Tenses in Action

Choose the tense that fits the meaning.

Question 1 of 4
Water __________ at 100°C.
Question 2 of 4
Be quiet! The baby __________.
Question 3 of 4
They __________ married since 2015.
Question 4 of 4
My back hurts. I __________ at my desk too much lately.

Past Tenses
Each describes past events from a different angle — completed, ongoing, or even earlier.
Past Simple
verb-ed / irregular form
Completed actionA specific, finished action in the past.
"She left at 8 o'clock."
Sequence of eventsA series of past actions, one after another.
"He arrived, sat down, and opened his laptop."
Finished periodA state that was true for a period now over.
"I lived in London for three years."
Signal words: yesterday, last week/year, in 2010, ago, when, then, after that, once
Past Continuous
was/were + verb-ing
In progress at a timeWhat was happening at a specific past moment.
"At 9pm last night, I was watching TV."
Background actionA longer action interrupted by a shorter one.
"I was cooking when the phone rang."
Parallel actionsTwo ongoing actions at the same past time.
"While she was studying, he was playing guitar."
Signal words: while, when, at 9 o'clock, all morning/evening, as
Past Perfect Simple
had + past participle
Earlier pastAn action completed before another past event — the "past of the past".
"When I arrived, the film had already started."
Explains a past stateGives the reason for a past situation.
"She was tired because she hadn't slept."
Third conditionalImagining a different past outcome.
"If she had studied, she would have passed."
Signal words: already, by the time, when, before, after, never…before, once
Past Perfect Continuous
had + been + verb-ing
Duration before past pointHow long something had been going on before a past event.
"He had been driving for six hours when he finally stopped."
Cause of past situationExplains a past result by showing a past ongoing activity.
"She was exhausted because she had been working all night."
vs. Past Perfect Simple: "She had read the report" (finished it) vs "She had been reading the report" (emphasis on the ongoing activity before).
Signal words: for, since, all day/week (before a past event), how long

Exercise 2

Past Tenses in Action

Choose the tense that fits the meaning.

Question 1 of 4
I __________ dinner when the phone rang.
Question 2 of 4
When we got to the cinema, the film __________.
Question 3 of 4
She was tired because she __________ since 6 am.
Question 4 of 4
Last summer, we __________ to Chiang Mai.

Future Forms
English has several ways to talk about the future — the choice signals your attitude toward the event.
Will (Future Simple)
will + base verb
PredictionWhat you think will happen (no evidence).
"It will be cold tomorrow."
Spontaneous decisionA decision made at the moment of speaking.
"I'll have the salad, please."
Promise / offerCommitting to do something for someone.
"I'll help you move house."
Refusal (won't)A strong refusal or unwillingness.
"She won't listen to anyone."
Signal words: tomorrow, next week, probably, I think, I'm sure, I promise, I expect
Going to
am/is/are + going to + base verb
Intention / planA decision made before the moment of speaking.
"I'm going to visit my parents this weekend."
Evidence-based predictionA prediction based on what you can see or know right now.
"Look at those clouds — it's going to rain."
will vs going to: "I'll call a taxi" (spontaneous) vs "I'm going to call a taxi" (already decided).
"I think it will rain" (opinion) vs "It's going to rain" (I can see evidence).
Signal words: this weekend/year, next month (plans); look at, clearly (evidence)
Future Continuous
will + be + verb-ing
In progress at future timeAn action that will be ongoing at a specific future moment.
"This time next week, I'll be sitting on a beach."
Polite enquiryAsking about someone's plans without pressure.
"Will you be using the car tomorrow?"
Signal words: this time next week/month/year, at 3pm tomorrow, still…when
Future Perfect
will + have + past participle
Completed before future pointAn action that will be finished before a certain point in the future.
"By the time you read this, I will have left."
Achievement by deadlinePredicting something will be done by a future deadline.
"She will have finished the report by Friday."
Signal words: by, by the time, by then, before, by next week/year
🔑 The key question: It's not just when something happens — it's how you see it. Is it a fact? A habit? Something ongoing? Something completed before something else? The tense you choose tells your listener your perspective on the action.

Exercise 3

Future Forms in Action

Choose the future form that fits the meaning in brackets.

Question 1 of 4
"The phone is ringing!" "I __________ answer it." (a decision made right now)
Question 2 of 4
I've already bought the paint. I __________ paint my room this weekend. (a plan made earlier)
Question 3 of 4
The train __________ at 9.15 tomorrow. (a timetable)
Question 4 of 4
By the time you arrive, I __________ dinner.

Exercise 4

Identify the Function

Each sentence uses a tense for a specific reason. Which function is being shown?

Question 1 of 6
"She goes to the gym every Tuesday morning."
Question 2 of 6
"I'm meeting Tom for coffee tomorrow afternoon."
Question 3 of 6
"He hasn't eaten anything today."
Question 4 of 6
"When we arrived, the match had already finished."
Question 5 of 6
"I'll have the soup, please." (said in a restaurant)
Question 6 of 6
"Look at that tree — it's going to fall!"

Exercise 5

Choose the Right Tense

Complete each sentence with the correct tense. Think about the function, not just the time.

Question 1 of 5
I'm exhausted — I              all day. (emphasising the duration of an activity that has just finished or is still happening)
Question 2 of 5
She              when the earthquake struck. (a background action interrupted by a sudden event)
Question 3 of 5
By the time the guests arrive, I              dinner. (an action that will be completed before a future point)
Question 4 of 5
She was upset because she              her purse. (a past action that explains a past situation)
Question 5 of 5
Don't call me at 3pm — I              my driving test. (an action that will be in progress at a specific future time)

Exercise 6

Click the Verb Phrase

Each sentence uses a tense for a specific function. Click all the words that make up the verb phrase showing that function.

Sentence 1 of 5
🎯 Find the verb phrase that shows a fixed schedule or timetable.
Click all the words in the verb phrase.
Sentence 2 of 5
🎯 Find the verb phrase that shows an ongoing action with emphasis on duration.
Click all the words in the verb phrase.
Sentence 3 of 5
🎯 Find the verb phrase that shows a background past action that was interrupted.
Click all the words in the verb phrase.
Sentence 4 of 5
🎯 Find the verb phrase that shows the earlier past action (the one that happened first).
Click all the words in the verb phrase.
Sentence 5 of 5
🎯 Find the verb phrase that shows an action that will be completed before a future point.
Click all the words in the verb phrase.

Exercise 7

Mixed Review

A mix of everything — present, past, and future functions, plus choosing the right form.

Present Tenses
Question 1 of 16
"I've lived in this city for ten years."
Question 2 of 16
"Prices are rising every month."
Question 3 of 16
"Have you ever eaten sushi?"
Question 4 of 16
"You're out of breath — have you been running?"
Past Tenses
Question 5 of 16
"He arrived, sat down, and opened his laptop."
Question 6 of 16
"While she was studying, he was playing guitar."
Question 7 of 16
"She was exhausted because she had been working all night."
Question 8 of 16
I            in London for three years before I moved to Paris. (a state true for a period now over)
Future Forms
Question 9 of 16
"I promise I'll help you move house."
Question 10 of 16
"She won't listen to anyone."
Question 11 of 16
"This time next week, I'll be sitting on a beach."
Question 12 of 16
"By next year, I will have finished my degree."
Choosing the Right Form
Question 13 of 16
Look at those dark clouds — it            rain. (evidence-based prediction)
Question 14 of 16
I think it            rain tomorrow. (a prediction based on opinion, no evidence)
Question 15 of 16
A: "The phone's ringing!" B: I            it. (decided at the moment of speaking)
Question 16 of 16
We            the Johnsons for dinner on Saturday — it's already arranged. (a confirmed future arrangement)
0/44
Well done!
You completed all the exercises.