Grammar

Which tense should I use?

Three questions at most. Each answer ends with the tense, the rule in one line, and sentences to try it on.

When does it happen?

Do you say when it happened?

At that moment, was it going on or was it over?

What matters about the earlier event?

Which is it?

What are you really saying?

What kind of future is it?

Present Perfect

The action is past, but you are talking about now: the result, the experience, the count.

She has finished the report.

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And if… if you name the past time — yesterday, last week — then it is past simple, not present perfect — Past Simple.

Past Continuous

Something was in progress at a past moment, usually as a background to another event.

She was working when I called.

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Past Simple

A finished action at a finished time. The time can be named or simply known to both of you.

She finished the report yesterday.

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And if… if the sentence has no action verb — she was tired — the past of be is its own form — Past Simple with was/were.

Past Perfect

The earlier of two past events, when you need to show which came first.

She had finished before the meeting started.

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Past Perfect Continuous

The earlier event again, but the point is how long it had lasted up to that moment.

She had been working for two hours when I called.

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Present Continuous

For what is in progress now or around now. Built from am, is, are plus -ing.

She is working on a report.

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Present Simple

For what is always or usually true. The only trap is the -s in he, she, it.

She works at a hospital.

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Present Perfect Continuous

The same «started earlier, matters now», but the point is the stretch of time, not the result.

She has been working since morning.

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Present Continuous

English uses the present continuous for fixed arrangements: the plan exists, the time is set.

She is flying to Rome on Friday.

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And if… if it is an intention rather than a booked arrangement, going to fits better — to be going to.

to be going to

A plan you already have, or a prediction with evidence in front of you.

She is going to study medicine.

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And if… if you decide while speaking — I’ll help you — it is will — will.

Future Simple with will

A decision made as you speak, a promise, an offer, or a plain prediction.

She will call you tomorrow.

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Future Perfect

Looking back from a future point: by then it will be done.

She will have finished by Friday.

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And if… if the point is how long it will have lasted by then — Future Perfect Continuous.

Future Continuous

At a certain future moment, the action will be in the middle of happening.

She will be working at six.

Practise it on 1,800 sentences