The verbs can, could, may, might, will, would, shall, should, must and ought are called modal auxiliary verbs. Modal auxiliary verbs are used before infinitives… Continue reading

Modal auxiliary verbs can express different degrees of certainty about an action or a fact. Complete certainty The modal auxiliaries will, shall, can and must… Continue reading

Since a personal pronoun is used instead of a noun, it must be of the same number, gender and person as the noun for which… Continue reading