Semi-modal auxiliary verbs, often simply called semi-modal verbs, are verbs that sometimes behave like...

We often use for and since when talking about time.A. for + period: a "period" is a duration of time...

1. “by” and the passive : In the passive voice, “by” indicates WHO is doing the action. examples:Sarah...

1. “by” + place : The meaning is " beside " , at the side of, next to, close toexamples: The house...

A compound noun is a noun that is made with two or more words. A compound noun may be usually [noun +...