an adjective clause
an adverb clause
a noun clause
a main clause
Any of the three pen will do.
Any of the three pens will do.
Either of the three pen will do.
Either the three pens will do.
When were you born?
When did you born?
When you born?
When are you born?
Death is preferable than dishonour.
Death is more better than dishonour.
Death is preferable to dishonour.
Death is more preferable to dishonour.
He said he knew this boy.
He said that he knew that boy.
He said that he knows this boy.
He said that he knew the boy.
No other friend I have ever got is as good as he.
I have ever got another friend as good as him.
No other friend I have got as good as him.
I have never got a friend good as he.
What is measles
He speaks English at home
Everybody at his home speaks English
He is bad in English
He is quite at ease with English.
to have seen
have been increased
has been increased