I have no prejudice against her

I have killed the bird. 

= The bird has been killed by me.

I have a headache.

I got the work done by him.

I get up in the morning at 6 AM.

I differ with you on this point.

I don't care what he says about me.

I cannot make out these four boy.

I cannot make out these four boy.

I can not make out what he says.

I can not help doing this. 

I can not be false to my friend.

 I am a university student.

I am sure that soon photography is my favourite pastime = I am sure that soon  photography will be my favourite pastime.

I am sure that she will succeed in the examination