We use the perfective will have when we are looking back from a point in time when something will have happened.

By the end of the decade scientists will have discovered a cure for influenza.
I will phone at six o’clock. He will have got home by then.

or looking "back" from the present:

Look at the time. The match will have started.
It’s half past five. Dad will have finished work.

We use would have as the past tense form of will have:

I phoned at six o’clock. I knew he would have got home by then.
It was half past five. Dad would have finished work.

We use would have in past conditionals to talk about something that did not happen:

If it had been a little warmer we would have gone for a swim.
He would have been very angry if he had seen you.



Hello raji,

Passive forms can be used in condition sentences without any problems:

If England defeat Iceland, I will buy you dinner!

If Iceland are defeated by England, dinner will be bought for you by me!


It does not matter which conditional form is used. Of course, whether or not the passive is good stylistically is another issue. In the example above, the passive in the first clause sounds fine, but in the second clause it is rather awkward.


Best wishes,


The LearnEnglish Team

Hello sir, I want to know about any subtle differences between Nevertheless and Nonetheless.

Hello Mani,

I'd recommend you check these words in a good dictionary, such as those from Cambridge and Oxford. Read all the entries and look at the example sentences. You might also find something useful by doing an internet search for 'difference between nevertheless and nonetheless'.

Good luck!

All the best,
The LearnEnglish Team

Sir please clarify me the sentence 'you should be studing' which kind of tense it is. I guess this sentence could be present continuous tense one. Am I correct sir

Hello raji,

Yes, that's correct – it's present continuous.

All the best,
The LearnEnglish Team

Sir can we use modal verbs such as could should would in past continuous simple tense and present continuous simple tense. If it so, please explain with examples

Hello raji,

Modal verbs don't have participle forms (e.g. shoulding, shoulded) so they themselves do not have continuous forms. But you can use a modal + be + present participle, for example: 'You should be studying'.

You can also find information on how to use modals to speak about the past (e.g. 'You should have been studying') on our modals + have page.

All the best,
The LearnEnglish Team

Hi sir !
I am confused with words whomsoever,whatsoever/whoever,whosoever.Please help me with the below sentence and the use of above words.Are they interchangeable ?
Please get an agreement copy with whomsoever/whoever/whosoever you have done.

Hello bunts,

'whosoever' is simply an older form of 'whoever', as you can see in the dictionary entries I linked to. Likewise, 'whomsoever' is also an older form of 'whomever'.

'whoever' and 'whomever' are not interchangeable: 'whoever' is used as the subject of a verb in a dependent clause, and 'whomever' is used as the object of a verb in a depending clause. You can see example sentences in the dictionary.

I hope that clears it up for you.

All the best,
The LearnEnglish Team

so which is correct in the sentence? :
please get an agreement copy with whomever/whoever you have done.