past tenses
When I arrived, they __________ ____________(already / leave).
they had already left
He looks tired. He ___ have slept well last night.
B) can’t C) might not
Report the quotes from the story. Rewrite them using backshift:
“Don’t tell anyone what you find here.”
The letter warned me not to tell anyone what I found
Fill in the blanks
I’m thinking of taking a course or seminar. 7 (you / heard) of any interesting ones lately?
have you heard
The lights are on. They ___ be at home.
A) must B) could C) can’t D) may not
A) must B) could
“Where did you find this?”
He asked where had I found that
My sister (sign) up for a photography seminar two weeks ago and she really enjoys it, so I’m thinking of signing up too.
signed
He failed the exam. He ___ studied enough.
A) must have B) can’t have C) might have D) should have
B) can’t have D) should have
“Why would Grandpa want to hide it?”
He asked why her grandpa would want to hide it
She __________ ________________________ (not / finish) her homework before dinner
She didn't finish/ hadn't finish
I hear someone singing next door. It ___ be Maria — she has a beautiful voice.
A) might B) can’t C) should
A) might
‘When am I going to get a raise?
He wondered when he was going to get a raise
She 9 (not / take) many photos yet,
She hasn't taken
The classroom is empty. The students ___ be outside.
A) could B) must C) can’t
B) must
Don’t leave me here alone, please.’
He asked not to leave him alone.