Plurals
Articles
Present Simple / Present Continuous
Past Simple / Past Continuous
Present Perfect
100

possibility

possibilities

100

There is  a / an / the /-  document on the table.

There is  a  document on the table.

100

In America, most people speak / are speaking English.

In America, most people speak English.

100

I went / was going to bed at 10pm last night.

I went to bed at 10pm last night.

100

We has / have known each other for years.

We have known each other for years.

200

fox

foxes

200

Experts say that a / an / the /-  coffee is good for your health.

Experts say that (-) coffee is good for your health.

200

Moldova’s population decreases / is decreasing.

Moldova’s population is decreasing.

200

He didn't hear the phone ring. He listened / was listening to really loud music.

He didn't hear the phone ring. He was listening to really loud music.

200

He has never is / was / been to Rome.

He has never been to Rome.

300

woman

women

300

A / An / The /- president visited our school.

The president visited our school.

300

I love / am loving listening to music.

I love listening to music.

300

What did they do / were they doing at 10pm last night? - It was really noisy.

What were they doing at 10pm last night? - It was really noisy.

300

I haven't eat / ate / eaten anything since this morning.

I haven't eaten anything since this morning.

400

sheep

sheep

400

How much time do you have to talk? I only have a / an / the /-  hour.

How much time do you have to talk? I only have an  hour.

400

You look worried. What are you thinking / do you think about?

You look worried. What are you thinking about?

400

I _____(sit) in a cafe when you ____(call).

I was sitting in a cafe when you called.

400

They has /have already go / went / gone home. 

They have already gone home. 

500

child

children

500

I'm going to buy a / an / the /-  new computer because a / an / the /-  computer in my office is broken.

I'm going to buy a new computer because the computer in my office is broken.

500

I never wear / am wearing scarves, but today I wear  / am wearing one because it's unusually cold.

I never wear scarves, but today I am wearing one because it's unusually cold.

500

When we ___ (make) that decision, we ___ (not/ think) clearly.

When we made that decision, we were not thinking clearly.

500

Has / Have you ever ____ (to see) a rainbow?

Have you ever seen a rainbow?

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