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can是最常用的情态动词,表示说话人的语气或情态,在句中不能单独作谓语,只能和紧接着它的动词原形一起构成合成谓语,没有人称和数的变化。can的基本意思是
Can is the most commonly used modal verb. It means the speaker’s tone or modality. It cannot be used as a predicate alone in a sentence. It can only form a synthetic predicate together with the verb primitive that immediately follows it. There is no change in the number and number of speakers. The basic meaning of can