Correct the mistakes.

1.
I finished to read Harry Potter.
I finished Harry Potter.

2.
I prefer don't go.
I prefer go.

3.
I don't like read the newspaper.
I don't like the newspaper.

4.
My problem is to pay.
My problem is .

5.
Before to start, ...
Before , ...

6.
It's better don't take the car.
It's better take the car.

7.
I prefer don't speak about it.
I prefer speak about it.

8.
Laura enjoys to be alone sometimes.
Laura enjoys alone sometimes.

9.
I wouldn't like being in his shoes.
I wouldn't like in his shoes.

10.
I don't mind to help.
I don't mind .