英语句型转换``请把下列句子变成否定句1.This is my ruler This()my ruler.2.I'm M

1.This is my ruler
This(isn't)my ruler.
2.I'm Mary.
I(am)(not)Mary.
3.I have a soccer ball.
I(don't)(have)a soccer ball.
4.We like eggs for brealfast.
We (don't)(like)eggs for brealfast.
5.Tom can play the guitar well.
Tom (can't) play the guitar well.
6.Those are white sweaters.
Those (aren't) white sweaters.
7.Mary has a new book.
Mary(doesn't)(have)a new book.
8.That sounds interesting.
That(doesn't)(sound)interesting.
9.John does his homework after dinner.
John (doesn't) (do) his homework after dinner.
10.They work very long hours .
They (don't)(work)very long hours.
11.They go to the music club on Sunday.
They (don't)(go)to the music club on Sunday.
12.I know his name .
I (don't)(know)his name .
13.I think it's an exciting movie.
I(don't)(think)it (is)an exciting o have lunch at school movie .
14.His brother wants to have lunch at school.
His brother(doesn't)(want)to have lunch at school.
15.Bill watches a soccer game on Sunday.
Bill (doesn't)(watch)a soccer game on Sunday.

1.isn't
2.am not
3.don't have
4.don't like
5.can't
6.aren't
7.doesn't have
8.doesn't sound
9.doesn't do
10.don't work
11.don't go
12.don't know
13.don't think is
14.doesn't want
15.doesn't watch