Red
Green
Blue
Orange
Yellow
100

When we are at school we..... wear a uniform.

When we are at school we must/have to wear a uniform.

100

You ..... remember to feed the dog.

You must remember to feed the dog.

100

You....... smoke. It's bad for you. (advice/negative)

You shouldn't smoke. It's bad for you.

100

The museum is free. You ......pay. (negative)  

The museum is free. You don't have pay.

100

If you want to work in the USA, you.......speak good English.

If you want to work in the USA, you have to speak good English.

200

You ......to tell her that you are sorry.

You have to tell her that you are sorry.

200

 Tomorrow is Friday! So I ......go to school! (negative)

Tomorrow is Friday! So I don't have to go to school!

200

I  ..... wear a uniform when I go to school.

I must/have to wear a uniform when I go to school.

200

You .....park here. It's an emergency exit. (obligation)

You mustn't park here. It's an emergency exit.

200

You are ill. You .......go to school today. (advice/negative)

You are ill. You shouldn't go to school today.

300

You ..... give someone a clock as a present. (advice/ negative)

You shouldn't give someone a clock as a present.

300

You ..... work harder, if you want to pass the exam.

You have to work harder, if you want to pass the exam.

300

I think people......recycle more paper and glass. (advice) 

I think people should recycle more paper and glass.

300

You..... wait here. It's not allowed. (obligation/negative)

You mustn't wait here. It's not allowed.

300

I'm really sick. I..... take a rest.

I'm really sick. I must take a rest.

400

you ... eat less candy (advice)

you should eat less candy

400

You ... drink that, it is poison (negative)

you mustn't drink that, it is poison


400

We ... go to the park, there's covid-19 there. (advice / negative)

we shouldn't go to the park, there's covid-19 there.

400

You ... go with your grandma tomorrow. (obligation)

You have to go with your grandma tomorrow.

400

you ... drink more water (advice)

you should drink more water.