Помогите пожалуйста правильно ли составлены предложения?

1)If you need any help, (let) me know.

2) If you mix read and yellow , you (get) orange.

3) If I (be) you , I would stop eating junk food.

4) If I had lots of money , I (travel) all over the world.

5) Call us if you (be) in town.

6) You'll be late if you (not/leve) now.

7) If you(mix) red and white , you get pink.

8)If i ( see) Mark , I'll tell him about the party.

9)If i were you, I (call) her.

пожалуйста,правильно ли составлено предложение.

I did not go this summer on the sea. But I spent many of times with my grandmother. I helped her in the kitchen garden and in the house. I often walked with my young brother. I engaged the chemistry, read the book, watched TV in the free time. At first was rainy weather, then it was sunny. However I liked this summer.

i learn english because i want get a better job.
the best way to learn is not be lazy.
useful learning strategies is watch english movies.
a good language learner is speaks fluently.