Question

3 Use the video explanation to circle the correct alternative for the rules.
1.We use the main verb before/after modal verbs.
2 We use must to/must for obligation.
3 Do/Do not add -s to the modal verb in the third person.
4 Use don't doesn't with have to/must for negative forms.​

Answer 1

Ответ: 4

Use don't doesn't with have to/must for negative forms.​