Tags Tags are used for confirmation and closing a sentence. She's sick, isn't she. You don't believe me, do you.
Time Clauses Some common English time clauses are listed.
Wishes Wish clauses can be a problem for students because it depends on the tense used. I wish I knew Bob. In the above example we are talking about a present situation. If we want to refer to the past, then it is different. I didn't know Bob.