Subject-verb agreement with ‘to be’

• When you use the verb to be (e.g. am/is/are/was/were), remember to change the form according to the subject: 

I am / was 

you, we, they are / were 

she, he, it is / was 

• Remember this when you use any verb in the continuous tenses or in the passive voice; for example: 

Those students [‘they’] are having problems with referencing. 

We were having dinner when she arrived. 

It was made in Bangladesh.