Correct the mistakes in these sentences. 1. We lived here since 1997. 2. Ive been ill since two days. 3. How long do you know him? 4. Susie has seen a good film last night. 5. Weve finished our homework just. 6. Ive already wrote three letters.

1. We have been living here since 1997.
2. Ive been ill for two days. 
3. How long have you been knowing him?
4. Susie saw a good film last night.
5. Weve just finished our homework.
6. Ive already written three letters.