Am,is,are
Am используется с I
Is используется he,she,it
Are используется с we,you,they
Смотрите ответ во вложении
1. Mark said he couldn't solve his Math problem.
2. <span>Mother said it was </span><span>too warm in the room.
3. </span>She said they were having a chemistry test the next day.
4. My friend asked if I saw <span>Ann very often.</span>
Ayajan hasn't moved house yet
I haven't read any science-fiction books
The plain hasn't arrived
He hasn't finished his homework