Write in present perfect. 1.the dentist is treating teeth. 2.the hairdresser will cut my hair. 3.the actor has his ups and downs. 4.as far as i can see the clown is standing upside down. 5.it thunders. 6.the shower started 7.as far as i can judge the teacher was strict

1.the dentist has been treating teeth.

2.the hairdresser will have cut my hair.

3.the actor has had his ups and downs.

4.as far as i can see the clown have been standing upside down.

5.it has thundered.

6.the show has started

7.as far as i can judge the teacher has been strict