情态动词是四类英语动词之一,它们是用来表达说话人的语气和态度的。如:命令、劝告、建议、禁止、猜测等。它们本身具有一定的意义但并不完整,不能独立做谓语,只能和主要动词一起构成谓语。它们没有人称和数的变化,后面要跟动词原形。现将初中英语教材中常见的情态动词及其用法 Modal verbs are one of four types of English verbs. They are used to express the speaker’s tone and attitude. Such as: orders, advice, suggestions, prohibitions, guesses, etc. They themselves have some meaning but they are not complete. They cannot be used as predicates independently, and can only constitute predicates together with the main verbs. They do not have changes in the number of people and numbers, but they must be followed by the original form of verbs. Now common modal verbs and their usage in junior high school English textbooks