IV: Each line has a mistake find and correct it

1.How about go for a walk on Sunday?

2.We are having a birthday party on Saturday evening next weekend.

3.She would like going out with her Mom.

4.Let's me help you do home work. – No, thanks. I can manage.

5.Bell started experimented with rays of transmitting speech.

6. Everybody in my neighborhood are happy about new changes

7. This test is more easy than that one.

8. We've learnt to play the piano for 2005.

9. I used to working for this company when I graduated.