Correct the grammar mistakes of the sentences below c) Cholpon turn around to see who it was.

d) She was seeing Asylzat-her classmate.

e)She hadn't know what to say.

f)She never felt so grateful in her whole life.​

Help me please

3. Mary went to Australia for a while
4. «Where`s Ken?» «He has gone out. He`ll be back in about an hour».
5. I did German at school but I have forgotten most of it .
6. I meant to phone Diane last night but I forgot.
7. I had a headache earlier but I feel fine now.
8. There has been an accident.
9. They have not finished it.
10. «No, she has just gone out»
11. The police arrested three people but later they let them go.
12. Ann gave me her address but I`m afraid I have lost it.
13. It was outside the house. It has disappeared!
14. Do you think I have improved?

3. Mary went to Australia for a while 
4. «Where`s Ken?» «He has gone out. He`ll be back in about an hour».
5. I did German at school but I have forgotten most of it . 
6. I meant to phone Diane last night but I forgot.
7. I had a headache earlier but I feel fine now. 
8. There has been an accident. 
9. They have not finished it. 
10. «No, she has just gone out» 
11. The police arrested three people but later they let them go. 
12. Ann gave me her address but I`m afraid I have lost it. 
13. It was outside the house. It has disappeared! 
14. Do you think I have improved?