Simple vs. Continuous
Past Simple vs. Present Perfect
Perfect
State vs. Action
The Rule of Law
100

She ______ (to have) a lot of friends.

has

100

Correct the mistake: "Did you ever try sushi?"

Have you ever tried sushi?

100

When I saw him, he ______ (to paint) the entire house by himself.

had painted

100

Correct the mistake: I am wanting to leave now.

I want to leave now

100

This is the main reason we use the Present Perfect tense.

To connect the past to the present, often focusing on experience, result, or a period that hasn't finished.

200

I usually drink tea, but today I ______ coffee.

am drinking

200

I ______ (to know) her since we were children, but we ______ (to lose) touch after university.

have known / lost

200

My clothes are dirty because I ______ (to garden) all morning.

have been gardening 

200

You ______ (to be) silly! Stop it!

are being

200

The key difference between "I've lived here for 10 years" and "I lived here for 10 years."

The first implies I still live here; the second implies I no longer live here.

300

This cake ______ (to taste) amazing!

tastes

300

Explain the difference in meaning:
a) "He has gone to the bank."
b) "He went to the bank."

a) He is not here now; he is at the bank or on his way. The action has a result in the present.

b) It states a fact about a completed past action. He may be back by now, or we are just describing his morning. The connection to the present is not stated.

300

Over the past decade, scientists ______ (to study) the effects of climate change intensively.

have been studying 

300

I ______ (to consider) you a true friend.

consider

300

Explain why we say "I've known her for years" but NOT "I've been knowing her for years."

'Know' is a stative verb. Stative verbs describe a state, not an action, and are generally not used in continuous forms.

400

He ______ (to be) very irresponsible lately.

is being

400

It's the third time you ______ (to ask) me that question today. You already ______ (to ask) me twice this morning!

have asked / asked

400

He ______ (to wait) for 30 minutes when the bus finally arrived.

had been waiting

400

He ______ (to appear) to be very confident.

appears

400

Why is it incorrect to say, "I am understanding the lesson now" but correct to say, "I am understanding more about physics every day"?

'Understand' is typically stative. However, with "every day," it can be used dynamically to emphasize a gradual, changing process.

500

I ______ (to think) about what you said, and I agree.

have been thinking

500

She ______ (to be) a teacher for a decade before she ______ (to decide) to change careers. Since then, she ______ (to work) as a consultant.

had been / decided / has worked

500

She ______ (to sleep) for only ten minutes when the alarm rudely woke her.

had been sleeping

500

I ______ (to see) the doctor at 4 PM.

am seeing

500

Describe the specific difference in meaning between Past Continuous and Past Perfect Continuous in a narrative.

Past Continuous describes an action in progress at a specific time in the past. Past Perfect Continuous emphasizes the duration of an action that was in progress before another past action or time