Answer:
g. If she HAD KNOWN the answer she might have told us.
h. Don't drink cold drinks if you HAVE fever.
i.If she WAS rich, she would drive a car.
k. If they HAD HAD time, the would have visited us.
j.Book a ticket in advance if you WANT to watch final match in stadium.
k.Unless they HAD ROBBED the bank,they wouldn't be arrested.
l.Were I the had teacher,I COULD ALLOW you soon tour again.
m.If he HAD LOST the money,he would report.
n.if they invite,we SHOULD SEND them gift.
hope that helps...