Define the mistake in these sentences :-
1-Mathematics are taught well in this school.
2-bread and cheese is eaten .
3-The secretary and accountant of the company was here.
4-Ten years is a long time.
5-The boy with his dog is here.
6-I had rather go.
7-The ceiling is highest about 4 meters.
8-She is a most intelligent girl.
9-The course is over, the topics covered.
10- He was ill so that he didn't go to school.
11- I was traveling tomorrow.
12-If he have a car he will travel.
Rewrite:-
1-Many ships have wrecked here. ( has )
2-Having written the essay, he printed it. ( The essay )
3-If he comes, I will tell him. ( would )
4- I suppose he heard the news last night. ( will )