"Whether" или "Whether or Not": когда что использовать

Таблица спряжения глагола to be




I am I am being I have been
he is he is being he has been
we are we are being we have been
you are you are being you have been
they are they are being they have been
I was I was being I had been
he was he was being he had been
we were we were being we had been
you were you were being you had been
they were they were being they had been
I shall be I shall have been
he will be he will have been
we shall be we shall have been
you will be you will have been
they will be they will have been
I should be I should have been
he would be he would have been
we should be we should have been
you would be you would have been
they would be they would have been