No. You would say "It will be helpful" or "It would have been helpful."
That is correct. You could also say: Tom has been unemployed for a month.
You have been travelling is correct. You would never say you have been on travelling, although for poetic emphasis you could say you have been travelling on.
"Has been" is correct, because "a block" is singular.
No. For plural, like are, you can say have been. For singular you would say has been.
It is neither correct to say " stones i've been thrown " nor "the stones i've been thrown at".
No. She is working. She has been working.
no. the right way is, Have you ever been to Spain?
Is it correct to say a block of rooms has been or have been reserved? Thank you. Cindy
It is correct to use "have" with the plural subject "you and your family". For a correct sentence, you could say, "I hope you and your family have a nice evening."
Yes it's polite and considering towards the receiving party.
No. We would say Have you been in love with a monkey.
well i say it the answer is 20.3 because its correct and i got an A++ on this answer i hope this is very helpful for you.