by后面是加do还是doing那介词to后面不是加do的吗？最好有例句

by后面是加do还是doing那介词to后面不是加do的吗？最好有例句 continue后面加doing还是to do 还是do 还是加介词 加介词的话是加什么介词 意思是什么 关于devote的用法devote himself to后面加doing、还是do?我记得这个to是介词要加doing的好像…… bear后面是加to do还是doing? learn后面是加doing还是to do?如题 refuse后面加to do 还是doing adjust to 后面加doing还是do? spend后面加doing还是to do? hard后面加doing还是to do 英语中介词后面加do还是doing find后面是加do还是加doing还是加to do? proceed to这个to是介词吗,加to do还是to doing? think 后面是加doing 还是加do 还是加to doRT do you mind 后面是加doing sth还是加 to do sth 宾格后面加动词原型吗是 to do还是do还是doing ask后面是加to do还是doing,还是do?同上 complete后面是doing 还是to do? except后面是doing还是to do