In this context, all 4 are OK, because the intent is clear. However, the 'as' clause (like a 'while' clause) usually requires the past progressive to make clear that its action is of a duration surrounding the relatively instantaneous action of

In this case, I think which and that are both possible. According to most grammar books, you can use which and that interchangeably in restrictive clauses, although there are several occasions on which that must be used or when 'that' is

My question is, why the answer "approach" is incorrect? It's incorrect because an approach is a way of going about solving a problem or performing a task. So the word approach is used completely differently from means . approach has

Hello, Chris, this clause would be an adjective clause , right? in fact, one should distinguish between relative clauses and adjective clauses , which are more precisely termed supplementive adjective clauses and represent only a special case of

Gleb Chebrikoff, thank you for your response. It's really informative and interesting--I agree with your analysis of "tell." 3. (d; intr., tr.) ('to inform') to — about, of (he didn't want to — about the incident; — me

The sentence is very awkward in my opinion. Which is a relative pronoun. The underlined phrase refers to the "that" clause. I would say: I know that it fell and that's why / therefore / consequently it has to be taken to a vet. CB

dimsum, your examples don't apply. Fifty percent of something plural is still plural. One-third of something plural is still plural. I agree. There is a separate rule for percentages and fractions, but that rule doesn't apply in this

dimsum, your examples don't apply. Fifty percent of something plural is still plural. One-third of something plural is still plural. Anon, the subject of entire sentence is Google docs, but it's not the subject of the clause we are

Hello, Mariott, 1. I hope this will make you happy and will not be forgotten.- correct; no comma before and when the subject of the second clause is ellipted, as shown by the materials in the Survey of English Usage. 2. I hope this will make

Use which or that for restrictive clauses. (Some grammarians prefer that only.) Use which only for non-restrictive clauses. For more information, google those phrases.