wstawic odpowiednie formy czasowników

bardzo bym prosiła o zrobienie tego małego zadania. z góry bardzo dziekuje:-)

1. After the guests........... (leave), we ............. (go) to bed at once.
2. You`ve got a great tan. How long you ............... (stay) at the seaside?
3. He ........... (type) invitations for 3 hours and he........... (type) 20 so far.
4. I won`t go out until he............. (get) back.
5. When I ............... (look) for the album I ............. (find) my old love letters.
6. If he .............. (give) up smoking, his health will improve.

1. After the guests (HAD) LEFT, we WENT to bed at once.
2. You've got a great tan. How long you HAVE YOU BEEN STAYING at the seaside?
3. He HAS BEEN TYPING invitations for 3 hours and he HAS TYPED 20 so far.
4. I won't go out until he GETS/HAS GOT back.
5. When I WAS LOOKING for the album I FOUND my old love letters.
6. If he GIVES up smoking, his health will improve.

2. You've got a great tan. How long you HAVE YOU BEEN STAYING at the seaside?

I guess it was to be "How long have you been staying at the seaside" :)