Из данных слов образуйте предложения, используя the present perfect tense. образуйте отрицательные и вопросительные предложения к полученным. 1. i/finish my work 2. we/start classes 3. you/change your mind 4. they/move to another city 5. he/close the door.

1. I have finished my work.
I haven't finished my work.
Have I finished my work?

2. We have started classes.
We haven't started classes.
Have we started classes?

3. You have changed your mind.
You haven't changed your mind.
Have you changed your mind?

4. They have moved to another city.
They haven't moved to another city.
Have they moved to another city?

5, He has closed the door.
He hasn't closed the door.
Has he closed the door? 

1. I have finished my work.
Have I finished my work?
I haven't finished my work.
2. We have started classes.
Have we started classes?
We haven't started classes.
3. You have changed your mind.
Have you changed your mind?
You haven't changed your mind.
4. They have moved to another city.
Have they moved to another city?
They haven't moved to another city.
5, He has closed the door.
Has he closed the door? 
He hasn't closed the door.