Modal verbs

You (a)   be exhausted after your long trip. Come in and have a drink.

Fred (a)   be working. He never works on Fridays. 

• can't
• mustn't 
• may 
• could 

(a)   you like me to help you with your bags?

• Should 
• Would 
• Could 
• Must 

It is forbidden to smoke in public places. 

• You can
• You must
• You mustn't
• You have to 

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

You are obliged to finish this work before the end of the week. 

• have to
• needn't
• can
• might 

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

I am sure it is not true.

• This must be 
• This may be
• This can't be 
• This shouldn't be

Tags

CCSS.RI.11-12.2

CCSS.RI.8.1

CCSS.RI.9-10.1

CCSS.RL.11-12.1

CCSS.RL.9-10.1

It is possible that it will rain tomorrow. 

• It may 
• It must 
• It should 
• It can't

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

The book is optional. My professor said we could read it if we needed extra credit. But we_______________ read it if we don't want to.

• don't have to
• must not
• cannot

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Terry and Frank said they would come over right after work, so they (a)   be here by 6:00.

• have to
• should
• can

You____________ forget to pay the rent tomorrow. The landlord is very strict about paying on time.

• don't have to
• couldn't
• mustn't