we often meet at the office. In the above sentence why we not use "are" after we. is this correct "sub +to-be (is,are,am)+adverb +( extra sentence)

if there will be no verb in sentence then will use "are "but there is verb in this sentence which is "meet" that's why we did not use are . Ok.for example:- you are a teacher do you teach at school .

Because of "often" it means we usually meet or it's a regular routine like. It's a form of simple present tense.So.

yes

ok