Using preposition to or for in english if you dont umdertand you can visit this website www.engvid.com

2. 1.To express reason
Example:
 I went to the store to buy milk
 I went to the store for milk

3. 2. To point out recepient
Example:
Give this to her
This is for her

4. 3.Intention
Example :
 Ask john to send me the file
 Ask john for the file
 Invite someone to a party
 Invite someone for dinner
 What did you do to him ?
 What did you do for him ?

5. 4.As compliment
Example:
 To make a perfect wine,use ….
 For a perfect wine
 Be used to : familiar, comfortable/purpose
 Be used to : use, purpose

6. 8 COMMON ENGLISH ERRORS
1. Today morning I woke up late
2. What`s the different?
3. I met john two years before
4. This is a six –months course
5. Thank you .I really enjoyed
6. Did you loose your cellphone ?
7. This is an academic course
8. Yes , I have a free time

7. THANK YOU