Question

9. I am certain that he is very busy at the moment. (must/should)
10. Let's go by bus. (shall/should)
11. Can you lend me your umbrella, please? (should/would)
12. I'm certain that he isn't at home now. (can't/mustn't)
13. He will not be bold enough to face his parents after the results. (may not/dare not)
14. Do you have the courage to admit that you are wrong? (dare/will)​

Answer 1

I am must certain that he is very busy at the moment.

10. Let's shall go by bus.

11. Can you should lend me your umbrella, please?

12. I'm can't certain that he isn't at home now.

13. He will dare not be bold enough to face his parents after the results.

14. Do you will have the courage to admit that you are wrong?

Answer 2

Answer:-

9) i must certain that he is very busy at the moment

10) shall we go by bus

11) Would you lend me your umbrella please

12) i can't certain that he isn't at home now

13) he may not be bold enough to face his parents after the results

14) Will you have the courage to admit that you are wrong