The special verbs can, could, may, might, will, would, shall, should, must, ought, dare and need are called modal auxiliary verbs. Modal auxiliary verbs have… Continue reading

Uses of do The auxiliary do is used: 1) to form the negative and interrogative of the simple present and simple past tenses. He came.… Continue reading

The verbs be (is, am, are, was and were), have and do are called auxiliary verbs when they are used with ordinary verbs to make… Continue reading