Present Simple vs Present Continuous
Past Simple vs Past Continuous
Present Perfect Simple vs Past Simple
Future. Will-Be going to-Present Continuous - Present Simple

Correct the mistakes
100

The water ... (boil). Be careful!

IS BOILING

100

I ... (listen) to music while my parents ... (cook).

WAS LISTENING / WERE COOKING

100

They ... (go) away. They will be back on Friday.

HAVE GONE 

100
We ... (leave) for London tomorrow morning.

ARE LEAVING

100

Right now, I am understanding the grammar lesson much better than yesterday.

Right now, I UNDERSTAND the grammar lesson much better than yesterday.

200
Nick ... (think) of giving up his job because he ... (not earn) enough.
IS  THINKING / DOESN'T EARN
200

My children ... (have) dinner when I ...(get) home from the office.

WERE HAVING /  GOT

200

I ... (not call) my sister today, but I ... (call) her yesterday.

HAVEN'T CALLED  / CALLED

200

That bag looks heavy. I ... (help) you.

WILL HELP

200

I promise I am going to help you with your homework as soon as I finish

I promise I WILL help you with your homework as soon as I finish

300

Mmmmm. This soup ... (taste) delicious!

TASTES
300
What ... you .... (do) when I ... (call) you?
WERE DOING / CALLED
300

She ... (already visit) London three times, but she first ... (go) there in 2018.

HAS ALREADY VISITED / WENT

300

The boy is climbing too high. He ... (fall) from the wall.

IS GOING TO FALL

300

I usually get up at 7:00 AM, but this week I work from home so I can sleep longer.

I usually get up at 7:00 AM, but this week I AM WORKING from home so I can sleep longer.

400
I have lost my keys again! I ...  (always lose) them.
AM ALWAYS LOSING 
400

I ... (fall) asleep when the movie ... (end).

FELL / ENDED

400
I can't drive to work because I ... (lose) my keys.

HAVE LOST

400

Next summer my parents can't come to the beach with us because they ... (visit) New York. 

ARE GOING TO VISIT

400

I have finished the report two hours ago, but I haven't sent it yet.

I FINISHED the report two hours ago, but I haven't sent it yet. 

500

I ... (live) with some friends until I find a place of my own.

AM LIVING 
500
They ... (not watch) television then so they ... (not hear) the news.

WEREN'T WATCHING / DIDN'T HEAR

500

... you ... (try) that new restaurant, or ... you ...(go) somewhere else for dinner last weekend?

HAVE YOU TRIED / DID YOU GO

500
What ... you ... (do) tonight? I don't know. Maybe I ... (call) my friends and meet them at the pub.

ARE YOU DOING? / WILL CALL

500
- My car is in the garage so I'm going to call a taxi when I get here.

-Don't do that. I'm picking you up.

- My car is in the garage so I'm going to call a taxi when I get here.

-Don't do that. I WILL PICK you up.

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