Different mechanisms in isolation is/are not effective?

1

Should I use "is" or "are" in the following sentence?

Different mechanisms in isolation is/are not effective.

Changwang Zhang

Posted 2015-03-26T22:01:53.203

Reputation: 139

Question was closed 2015-03-27T02:27:06.860

Answers

3

Ask youself: What is the subject of your sentence ("Who does something?"), then match the verb.

Here, it's "mechanisms", hence use plural: "are".

Different mechanisms in isolation are not effective.

Stephie

Posted 2015-03-26T22:01:53.203

Reputation: 14 048