that, which, it, where, who, whom

The air then passes to a compressor, ________ it is compressed, and from ________it is delivered to the combustion chambers.

List two situations in which the simple present is used to refer to the past.

What is“complete inversion”?

dangling participle

concord

Mr. Bush had an immense fortune. In spite of that he was a most unhappy man.

You sent me a Christmas card. Thank you so much.

putative should

A: Tiss went to India this winter.

B: Yes, I know that he went to India this winter.

Although I do not have the guts to swim in the ocean this time. I promise I will swim in the ocean next time.

I. Combining sentences:

On his way home Jack came across a boy. The boy was very bright and honest.