Modals and obligation
modals of possibility
Ability and permission
Conditionals & Time Clauses
Grammar Structures
100

You ___ wear a seatbelt. It’s the law. 


You must wear a seatbelt. It’s the law. 


100

She ___ be at home. The lights are on.


She may be at home. The lights are on.


100

I ___ swim when I was five.


I could swim when I was five.


100

If it rains, we ___ stay inside. 


If it rains, we will stay inside. 


100

 I ___ play the piano when I was younger.


 I used to play the piano when I was younger.


200

I ___ finish this report today. It’s urgent.


– I have to finish this report today. It’s urgent.


200

He ___ be sick. He looks pale.


He might be sick. He looks pale.


200

She ___ speak three languages. 


She can speak three languages. 


200

I’ll call you when I ___ home. 


I’ll call you when I get home. 


200

She ___ eats lunch at 1 p.m.


She usually eats lunch at 1 p.m.


300

 You ___ study so hard, it’s not a test.


You don’t have to study so hard, it’s not a test.


300

That ___ be true! It sounds impossible. 


That can’t be true! It sounds impossible. 


300

Will you ___ help me tomorrow? 


Will you be able to help me tomorrow? 


300

If I won the lottery, I ___ travel the world. 


If I won the lottery, I would travel the world. 


300

There are ___ people in the room.


There are a lot of people in the room.


400

You ___ go to the doctor. That cough sounds serious.


You should go to the doctor. That cough sounds serious.


400

They ___ arrive late due to traffic.


They might arrive late due to traffic.


400

 He ___ lift heavy boxes before, but not now. 


 He could lift heavy boxes before, but not now. 


400

Before she ___, she’ll text me.


Before she leaves , she’ll text me.


400

“I am tired,” she said.


reported speech: She said she was tired.


500

You ___ smoke here. It’s forbidden.


You mustn’t smoke here. It’s forbidden.


500

He ___ be the thief. He was with me! 


He can’t be the thief. He was with me! 


500

They ___ solve the puzzle after many tries. 


They were able to solve the puzzle after many tries. 


500

If he studied more, he ___ pass the test. 


If he studied more, he would pass the test. 


500

“I will call you,” he said. 


reported: He said he would call me.


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