Be adj+to do Sth.没有 Be adv
那个adv可以用来修饰adj:be adv+adj +to do sth 如:I‘m very(adv) glad(adj) to help you.
当然这只是大多数情况,也有 be adj +doing sth.如:The stamp is worth collecting.
be busy doing sth 等
Be adj+to do Sth.没有 Be adv
那个adv可以用来修饰adj:be adv+adj +to do sth 如:I‘m very(adv) glad(adj) to help you.
当然这只是大多数情况,也有 be adj +doing sth.如:The stamp is worth collecting.
be busy doing sth 等