I am v PP.

​

​

   I had v PP.

​

​

   I happen to v.

It doesn't matter if s.

It makes no difference if s.

It doesn't make any difference if s.

​

​

I don't care if s.

​

​

Intro

Part 1

1-35

35Q

1-35Q

1-35P

1-35P.1

1-35P.2

1-35P.3

1-35P.4

1-35V.1

Teacher'sTips