副词 adv一般用在实意动词之前，be动词之后，或者句末。例如■ I wanted that moment to last forever.■ Many valuable works of art were lost forever.■ It took forever to clean up after the party. (这句话中，forever表示很长一段时间，而不是‘永远’的意思）
匿名回答于2019-07-09 12:56:15
