用作定语
▲～+n.
This is an impressive book.这是一本感人的书。
The first ceremony which we went into college is an impressive ceremony.我们进入大学的第一次典礼给我们的印象很深。
用作表语
▲S+be+～
Your work is very impressive.您的工作真了不起。
▲S+be+～+that-clause
This cinema is so impressive that we can't help crying.这部影片如此感人,以至于我们禁不住流下泪来。
