Present Simple
Present Continuous
Present Perfect Simple
Present Perfect Continuous
Past Simple
Past Continuous
100

She _______ (have) eggs and beans for breakfast.

She has eggs and beans for breakfast.

100

I (write) an email to my friend Mike.

I am writing an email to my friend Mike.

100

He has been working here since five years.

He has been working here for five years.

100

_______________ (work) a lot recently?

Have you been working a lot recently?

100

I ____ (go) to the store yesterday.

went 

100

I ____ (read) when the phone rang.

was reading

200

Alice (watch) cartoons every evening and then (go) to bed.

Alice watches cartoons every evening and then goes to bed.

200

It/not/rain.

It isn't raining.

200

Don't worry, Marilyn _______ (already pay) the bill

Don't worry, Marilyn has already paid the bill

200

Mel looks really tired.  _____________ (she / study) all night?

Mel looks really tired. Has she been studying all night?

200

He didn't went to school yesterday. 

Didn't go
200

They ____ (discuss) the proposal when the manager arrived.

were discussing

300

We (not\be) in the office.

We aren't in the office.

300

the children / brush / their teeth?

Are the children brushing their teeth?

300

I finished my work.

I have finished my work.

300

 We have been watching TV for we had dinner.

Since

300

She ____ (withdraw) the money, ____ (leave) the bank quietly, and ____ (vanish) before anyone ____ (notice) anything unusual.

She withdrew the money, left the bank quietly, and vanished before anyone noticed anything unusual. 

300

What did you do at 8 pm yesterday?

What were you doing at 8 pm yesterday?

400

She insist that he attends the meeting immediately.

She insists that he attend the meeting immediately.

400

I am understanding what you mean.

I understand what you mean.

400

She has wrote three novels so far.

She has written three novels so far.

400

I _________ (try) to call him all morning but  __________ (not be able) to reach him.

I've been trying to call him all morning but I haven't been able to reach him.

400

No sooner she arrived at the conference than the keynote speaker started.

No sooner did she arrive at the conference than the keynote speaker started.

400

I read the report when the phone rang.

I was reading the report when the phone rang.

500

Rarely he understands the complexity of the issue.

Rarely does he understand the complexity of the issue.

500

The company is employing 500 people currently and it grows fast.

The company currently employs 500 people and is growing fast.

500

I (wash) ______________ the windows, I (sweep) _____________ up the leaves, but I (not / wash) ___________ the car yet.

I have washed the windows, I have swept up the leaves, but I haven't washed the car yet.

500

I have been knowing him for years.

I have known him for years.

500

You realized the mistake only after you submitted the report.

Did you realize the mistake only after you submitted the report?

500

At midnight, the researchers ____ (analyze) the data, the technicians ____ (monitor) the instruments, and the lead scientist ____ (prepare) the final report.

At midnight, the researchers were analyzing the data, the technicians were monitoring the instruments, and the lead scientist was preparing the final report.

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