“doesn’t it”/“don’t they” with “every” as a determiner

Which of the two is correct: “Every cell phone does that, doesn’t it?” or “Every cell phone does that, don’t they?” Answer Every cell phone does that, doesn’t it? or Every cell phone does that, don’t they? “Every” is a distributive determiner as reflected in the fact that it selects a singular ‘head’, hence “Every … Read more

“They’re using a cell phone” vs. “They’re using cell phones”

The usage of singular and plural has always been confusing for me. I often see sentences like these People are using cell phones. People are using a cell phone. Does the first sentence mean everyone has a phone and they are all using their own? Does the second sentence mean they are sharing one cell … Read more

Should a noun after the determiner *their* take in the form of singular or of plural?

Should I say Some people use the word “flat” to describe their phone when its battery is dead. or Some people use the word “flat” to describe their phones when their batteries are dead. (I wanted to use “their” here to refer to the phone’s instead of the people’s) or Some people use the word … Read more