(

(?)Does the cat catch the mouse?

2. (+) I like playing chess

(?) Do i like playing chess?

3. (+) You do study last night

(-) You do not study last night

4. (+)My aunt does talk too much

(?) Does my aunt talk too much?

5. (+) You pick me up

(-) You do not pick me up

6. (-)My teacher ddo not teaches English in the front of the class

(?)Do my teacher teaches English in the front of the class?

7. (+)They give their congratulation to yyou

(-) they do not give their congratulation to you

8. (+)Sam and i ccometo sarah's house

(?) Do sam and i come to sarah's house?

9. (+) Your brother writes a letter for you

(-) your brother does not write a letter for you

10. (-) my brother's friend does not visit our house

(?) Does my brother's friend visit our house?