When do we use "yet"?
PRESENT PERFECT. In negative and interrogative sentences.
Correct the mistake: "I never saw that person in my life."
I have never seen that person in my life.
Dad ______ (be) out shopping for two hours now – should we give him a ring?
has been
Sean and Tom ______ (be) good friends last year, but now they aren't.
were
Correct the mistake: "This is the first time I swam in the sea."
"This is the first time I have swum in the sea."
Beth and I ______ (be) friends since we were ten – and we always will be.
have been
The first time I ______ (see) that film was five years ago.
saw
Correct the mistake: "Did you ever watch this film?"
Have you ever watched this film?
Mrs Salinger ______ (not come) in yet – would you like to leave a message?
hasn't come
Correct the mistake: "I have did all my homework."
I have done all my homework.
I ________ (tidy) and ________ (order) my room yesterday.
Tidied / ordered
I _____________(know) my best friend since we were four.
I have known my best friend since we were four.