The imperfect tense is used to talk about what someone used to do, what used to happen or what something used to be like. The imperfect tense is used to talk about what used to happen regularly and to ...

It is also used to describe or give opinions about something or someone in the past, or to say what was happening when something else took place. The imperfect tense or that incomplete, habitual or ...

Subject-verb agreement means that your verb must be conjugated, or changed, to fit (or agree) with the subject. Subjects can be singular or plural. Think of singular and plural as mathematical ...