Fill in the blank.

[kahhong]

hello there, im confused by is and are to construct questions .

1. what pens ____ your friend using?
A. is
B. are


2. what pen ____ your friends using?
A. is
B. are


3. what pens ____ your friends using?
A. is
B. are



the usage of be verb is to support the +ing, pen(s) or friend(s).? or either?

[MrPedantic]

Hello Kahhong

Think of it this way: who is performing the action, in each case?

MrP

[kahhong]

can you Help me to check my answer whether im correct or not, please?

1.is
2.are
3.are

Friend perform the action(subject) and the pen received the action(object)?
am i right?

[matilda]

yes. exactly correct.
always look at the DOER

[MrPedantic]

Well done, Kahhong!



MrP

[kahhong]

thanks...
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