1) know (present simple)
2) have been doing (present perfect continious)
3) Have I told (present perfect)
4) is holding (present continuous)
5) will celebrate (future simple)
6) spend (present simple)
7) Do you have (present simple)
8) have you been doing (present perfect continuous)
9) Are you still working (present continuous)
10) I have just had (present perfect)
<span>1) There is nobody in the garden. All the visitors are in the museum.
2) Is there anything in the bag? - No, there isn"t.
3) Is there anybody here who can speak English?
4) She doesn"t know his address, his telephone number, he works. She says
she knows nothing about him.
5) If everything is clear to you, begin doing the exercise.
6) Is everybody in the classroom? - Yes, all the students are here.</span>