基本元素: S.+V.
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可以當主詞(S.)
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1.
名詞(N.)
A cabinet is in the bedroom.
Rubber ducks are cute.
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2.
代名詞(
he, she, it, I, you, they, we)
He is my grandson.
They are my classmates.
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3.
動名詞(V-ing)
Playing basketball is happy and interesting.
Doing homework is boring.
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4.
不定詞(to
+V)
To eat breakfast is good to our healthy.
To see is to believe.
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5.
名詞子句(wh-
S+V)
What he said is important.
Where she lives is not matter.
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特別注意:
所有格(its, his, her, my, your, our, their)後面加名詞，動詞應
My
father tall and handsome.
Our
brothers brave and courageous.
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可以當動詞(V.)
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1.
Be.V (am, is, was, are, were)
I
am a junior high school student.
They
are friends.
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2.
一般動詞 (現在式、過去式)
He
plays baseball in the playground.
She
gets up early.
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3.
助動詞+原V. (附註:have/ has/ had另有章節討論)
(can,
could, will, would, may, might, must, shall, should, do/does/didà用於否定、疑問句時)
I
can fly.
My
brother will go to school.
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不可當動詞(V.)
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1.
動名詞(V-ing)à進行式
You
are swimming.
My
cousin is eating lunch.
動名詞(V-ing)à分詞構句(關代省略)
He
is my friend coming from Japan.
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2.
過去分詞(V.pp)à 被動、完成式
I
am punished by my teacher.
He
has arrived in Taiwan.
過去分詞(V.pp)à分詞構句(關代省略)
The
music played by John sounds great.
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