By Grammar check, Pronouns

Anonymous wrote: 1.Combine each set of simple sentences below to produce the kind of sentence specified in parentheses. 1) People begin to recycle. They generate much less trash. (Complex.) <No idea, but TIP: Using subordinating conjunctions!> 2) Environmentalists have...

My team and I have an going debate that started when someone posted a sign that stated: "Your attention and cooperation is appreciated" Some felt that it should be plural (are) and not singular (is). Though when we typed both versions of the statement in MS Word, it did not see anything wrong...

I'm confused on the use of was and were when coupled with the pronoun "it". When "it" is used to replace a singular noun, then shouldn't one use "was" to go with it? Yet grammar check in Microsoft Word says "were" is accepible. Here is the context:The trophy was in his closet. If it were/was...