Write the affirmative, negative, or integrative in the past participle of these

Exercise 2. Write the affirmative, negative, or integrative in the past participle of these

 (+) I have finished my homework.

(-) ________________________________________________________________.

(?) ________________________________________________________________?

 

2.       (+) ________________________________________________________________.

(-)My uncle hasn’t been to Singapore before.

(?) 1.  ________________________________________________________________?

 

3.       (+) ________________________________________________________________.

(-) ________________________________________________________________.

(?)Have they found their keys?

 

4.       (+) Jim has just played video games with his brother.

(-) ________________________________________________________________.

(?) ________________________________________________________________?

 

5.       (+) ________________________________________________________________.

(-)My grandmother hasn’t visited me since November.

(?) ________________________________________________________________?

 

6.       (+) ________________________________________________________________.

(-) ________________________________________________________________.

(?)Has your sister studied Medicine for 2 years?

 

7.       (+) It has been long since our last encounter.

(-) ________________________________________________________________.

(?) ________________________________________________________________?

 

8.       (+) ________________________________________________________________.

(-)We haven’t graduated yet.

(?) ________________________________________________________________?