-Present simple- Pasti simple
I buy - he bought
-Present c. - Past c.
They are studying- they were studying
Called me -had called
-Present p.S -Past p.S
I have seen -she had seen
-Can - Could
-May - Might
-Must - Had to
-Should - =
-today -that day
-yesterday -the day before
-tomorrow - the following day
WH q: The organizers asked how many
people would be attending the conference
YES/NO q: Jude asked me if i had
seen the news
If John gets good marks in maths,
he will study enggineering at university.
If you won the lottery,
would/could you give me money to charity?
If you had read the questions more carefully,
could /would you have been able to answer them?