To give advice we can use should or ought to.
CORRECT
My friend Tom ... (work) in New York.
is working / works / worked
Henry ... (watch) TV since 7 o'clock.
A) is watching
B) has been watching
C) watches
B) has been watching
Stop talking! (would)
I wish...
I wish you would stop talking!
When Jacky was practicing, someone shouted
correct
My wife and I ... (have) a few problems recently.
have had
By this time tomorrow, the contract ... (sign).
A) will have been signed.
B) will be signed.
C) will sign.
Will have been signed
Yesterday they redecorated the living room. (decorated)
Yesterday...
Yesterday they had the living room redecorated.
If we tried harder, we could have made everyone in a situation happy.
Incorrect: had tried
They were very tired in the evening because they ... (work) on the farm all day.
had been working
I think she ... (come) to visit us tomorrow, but I'm not sure.
A) comes
B) is going to come
C) will come
C) will come
It's really important that you send Sally a birthday card. (remember)
You must... Sally a birthday card.
You must remember to send Sally a birthday card.
To talk about obligation we use don't have to or don't need to / needn't
Incorrect: lack of obligation
I ... (never come) across such a big sneak in my life.
have never come
When I came home this evening, my parents ... (go) out for a walk.
A) have gone
B) had gone
C) went
B) had gone
Her new office is much bigger than her old one. (big)
Her old office ... her new one.
Her old office was not as big as her new one.
Jessica have never fallen in love until she met Ben two years ago.
had never fallen
By Saturday next week, I ... (work) on this painting for exactly one month.
will have worked
A) might be delayed
B) might delay
C) might have been delayed
C) might have been delayed
I only invited him because I thought it would help. (invite).
I .... if I hadn't thought it would help.
I wouldn't have invited him if...