Вставить have to/has to или

I have to learnt English every day because I`m going to England next month.

2 We has spoken French to our guests from France.

3 You have to look after your little sister.

4 Children has help their parents.

5 He is late. He have to run to school.

6 You has tell me the truth.

7 I have to look after my little sister because mum is out.