Gerund vs Infinitive
Should-Shouldn't
First Conditional
Have to-Must
Secret Category
100
I need _____ (study) for my exam.

TO STUDY

100

This is a dangerous place, you _____ (be) here

SHOULDN'T

OUGHT NOT TO

100

If you study, you _____ (pass) the exam

WILL PASS
100

We didn't have money, so we _____ find a cash dispenser.

HAVE TO - MUST
100
We use this modal verb to give advice.
SHOULD
200
I like ______ (play) soccer.

PLAYING

200

You look tired. You ______ (have) some rest. 

SHOULD 

OUGHT TO

200

If you ____(go) to sleep, you’ll be very tired tomorrow.

DON´T GO

200

You _______  pick me up at the station. I can take a taxi.

DON'T HAVE TO
200

We use this preposition + get to express enter to a car.

IN - INTO

300
I promise ______ (fail) another exam.
NOT TO FAIL
300

Is the next question correct?

"Do you think I should look for another apartment?"

YES :)

300
If we ____ (win), we ______ (celebrate) tomorrow.

WIN / WILL CELEBRATE

300

You ____ tell anyone; it's a secret.

MUSTN'T
300

Explain the difference between EARN and WIN.

...

400

I hate ______ (tidy) my room.

TIDYING

400

Find the mistake:

He ought not drive so fast. 

OUGHT NOT TO

400

I ______ (tell) you my secret unless you _____ (tell) me yours.

WON'T TELL / TELL
400

I don't like these clothes, but I _____ wear them at work.  

HAVE TO

400

It means having a good relationship with someone.

GET ON WITH

500
I wouldn't like _____ (go out) tomorrow because I wanna rest.

TO GO OUT

500

Whats the mistake with the next sentence: 

"I think you shouldn’t call her now; she’s very upset."

I don’t think you should call ...

500
We'll go to the beach if the weather _____ (be) OK.

IS

500

We had an accident, but it was OK, we _____ go to the hospital.

DIDN'T HAVE TO

500

It tells us that if something goes wrong will always be worse.

MURPHY'S LAW