Modal Verbs: Could/Couldn't
Study the following grammar explanation.

Focus on Modal use: Modals are used to express advice, necessity, possibility, and suggestion. 
For each question below, fill in the blank with the correct grammar form using modals.

Example: I wasn't _______  to say very much to the police then.

 I wasn't able to say very much to the police then.

1.  I  _______ have ______ my sister about her new project.

2. They ______ _______ some important points about your plan.

3. He _________  ________ that you use cheaper fuel.

4. It _____ be  a ______  situation make a new budget.

5. It ______ be that transportation is better now, look at the price!

6. I think it ______ be another good idea for your sister's project?

7. He _________ your great uncle   

8. ______ you give me an example?

9. Overall, what do you think _______ be done  for her project?

Example: You have an exam, you __________ hard.

You have an exam, you should study hard. 

Example: You have an exam, you __________ hard.

You have an exam, you should study hard. 

Example: You have an exam, you __________ hard.

You have an exam, you should study hard. 
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