点拨：seem 可作系动词或不及物动词，意为"{#blank#}1{#/blank#}"。常见用法如下。

①主语＋ seem ＋ (to be) ＋ 表语

如：他好像是一个很聪明的男孩子。   {#blank#}2{#/blank#}

②主语＋ seem ＋ (to be) ＋ 不定式。

如：格林夫人好像不喜欢这个主意。   {#blank#}3{#/blank#}

③It seems ＋ that从句。其中， it 是形式主语，that 引导真正主语。

如：好像没有人知道在公园里发生了什么事。   {#blank#}4{#/blank#}

Please don't{#blank#}1{#/blank#} rubbish on the ground．It's{#blank#}2{#/blank#} the environment．

Last night I {#blank#}1{#/blank#} {#blank#}2{#/blank#} to bed {#blank#}3{#/blank#} my parents got home.

The old father {#blank#}1{#/blank#} his son did until the son was caught by the police.

He {#blank#}1{#/blank#} the watch and then left the room quickly.

He found {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} give up smoking.