Ответ:

Объяснение:

2 Do you can speak Japanese?

5 Sally musts go to the dentist soon.

6 I'm sorry but we must to go now.

8 The dog didn't should steal food from the fridge.

9 We maying go to France in September. Could you lend me your dictionary?

The incorrect sentences are:

Sentence 2: "Do you can" should be "Do you".

Sentence 5: "musts" should be "must".

Sentence 6: "must to go" should be "have to go" or "must go".

Sentence 8: "didn't should" should be "shouldn't".

Sentence 9: "maying" should be "may".