No one responded to my prior query, so i am reposting it with some modification Are the following two inter-changeable? Or do they mean two different things? (a) they are the basis OF any success I may achieve (b) they are the basis FOR any

In the dictionary, the word "respectively" is defined as "referring to each person or thing in the order in which they are mentioned". Thus I wonder in the following sentence, should we use the singular verb form

They are the basis of any success I may achieve They are the basis for any success I may achieve The basis for conservation and management is ... The basis of conservation and management is ... ?? Any help

I wonder which sentence makes more sense to a native speaker - My parents have been constant sources of comfort and strength through all of my ups and down  OR My parents have been a constant source of comfort and strength through all of my ups

Which is correct? A university or An university. I googled this question and found conflicting results e.g.  Charles Dickens in All the Year Round used "Wickliffe, teacher himself in AN university, felt ..." Many books use titles 

I wonder if we can use "albeit + a noun", not an adverb. I tried google book with several nouns, but none came out anything. Is it wrong, or can anyone come up with any example? Thanks

When can we say - a couple of vs. many? There are 3 ~ 4 (not counted, so can not be exact) tables in the restaurant - we say, there are a couple of tables in the restaurant. There are ~ 100 seats in the theater, we don't say, there are a

What does this phrase mean - to pick up the tap? To me, the phrase is confusing as it seems applicable in MANY different scenarios. So what exactly is "the tap" ? Thanks

Are you suggesting that with the "right" contexts, all expressions could be correct?  This is exactly what I am trying to find out - which context should be paired with which expression. I can't come up with examples for each one of

To Optilang, Would you really use "have you sent the shipment to London yet" ? Doesn't the word "shipment" generally mean "act of shipping",although it can also mean the thing that is shipped. Wouldn't it be