The verb to be and preposition

Verb to be

a) Positive (sub + verb I form + object)

1) I am a student.
2) He is a teacher.
3) She is a journalist.
4) It is a book.
5) We are mechanics.
6) You are pilots.
7) They are policemen.

b) Negative (sub + helping verb + not+object)

1) I am not a singer.
2) He is not a receptionist.
3) She is not a nurse.
4) It is not my book.
5) We are not musicians.
6) You are not a shop assistant.
7) They are not taxi drivers.

c) Question (Question word + helping verb + sub + object)

Where is use for a place?
What uses for the thing?
Who uses for people?
When use for time?
Why use for the reason?
What time use for exact time?
How use for the state of thing?
Which use for about particular thing?

1) Where is my watch?
2) Where are my keys?
3) Where is my sweater?
4) What is your job?
5) Who is your favorite person?
6) When is your birthday?
7) What time is it?
8) How are you?
9) Which unit is this?

Preposition

Prepositions are the words that indicate location.prepositions show this location in the physical world.

1) Monkey is on the desk.
2) Monkey is under the table.
3) Monkey is in the table.
4) The monkey comes out of the box.
5) Monkey goes through to the box.
6) Monkey is next to the box.
7) Monkey is near to box.
8) Monkey in front of the box.
9) Monkey behind the box.
10) Monkey is between the box and computer.