It is impossible that he _____ there alone.
went
should have gone
would have gone

It was unlikely that it _____ .
rained
should rain
would rain

It’s high time the children _____ to bed.
went
should go
should have gone

It’s a pity that he _____ so.
says
should say

I suggest _____ football tomorrow.
to play
that we should play

I fear lest he _____ .
came
didn’t come
should come
shouldn't come

The boy feared lest he _____ mistakes in the last test.
made
had made
should have made
should make

They propose that the new law _____ in a week.
should be discussed
will be discussed

The tourists were afraid that they _____ miss the train.
may
might

The child was pale and mother feared lest he_____ cold.
caught
should have caught
had caught

It’s time that you _____ me the book.
return
returned

Ann hasn't come yet. I am afraid that she _____ my address.
might forget
forgot
might have forgotten

The children hurried home lest their mother _____ about them.
should have worried
should worry

It seems fortunate that you _____ us there.
should meet
should have met

Let’s go out right away lest we _____ late.
should be late
shouldn't be late
shouldn't have been late

The friends advised that she _____ it seriously.
shouldn't have taken
shouldn't take

Put the books into your bag lest you _____ it.
lost
should have lost
shouldn't lose
should lose

The teacher insisted that the pupils _____ their books.
closed
should close
should have closed

It is impossible that he _____ so careless.
were
should be 

It was strange that the boy _____ his father’s passion for music.
didn`t inherit
shouldn't inherit
shouldn't have inherited