英语基本句型有五个:S+V, S+V+Cs, S+V+O, S+V+Oi+Od, S+V+Od+Co, 其共有特征是主谓结构(S+V)。
句子成分主要有四种:主语S、谓语动词V、补语(主语补语Cs,宾语补语Co)和宾语(直接宾语Od,间接宾语Oi)。
●Pattern 2 (S + V + Cs)
1. 此句型的 "V" 是连系动词,"Cs" 是主语补语,或称表语。充当主语补语的有名词、代词、形容词、副词、数词、介词短语、动词 V-ing 形式或 V-ed 形式、不定式及名词性从句等,如:
My first name is Bill.
Life is colorful.
Seeing is believing.
Our belief is that things will improve.
2. 常见的连系动词有下列几类:
a. 表示"判断":be;
b. 表示"变得"、"成为":become, come, go, fall, get, grow, prove, turn 等;
c. 表示"保持着某一状态":hold, keep, lie, remain, rest, sit, stay 等;
d. 表示"看起来"、"好像":appear, look, seem 等;
e. 表示"实感":feel, sound, taste, smell 等。
e.g. She is a teacher and I am a doctor.
Spring comes and all trees turn green.
He stayed awake all night.
You don't look happy, what's the matter?
Their plan sounds wonderful.
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