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不定式主語和動名詞作主語區别

生活 更新时间:2024-09-10 15:15:41

不定式主語和動名詞作主語區别(動名詞和不定式做主語的相同點與不同點)1

Ⅰ.動名詞和不定式做主語的相同1.不定式短語和動名詞做主語時,常常為了保持句子的平衡,用it來做形式主語,如:

It is not easy to learn English well.

It is no use asking him for help.

2.如果主語用了不定式,表語和賓語也要用不定式;主語用了動名詞,表語和賓語也要用動名詞,這在英語中稱為對稱性,如:

To see is to believe.= Seeing is believing.(眼見為實)

(85)It is better to stay home than _A__ out.

A.to go B.going C.go D.gone

Ⅱ.動名詞和不定式做主語的不同點1.不定式做主語常表示具體的某一動作;表示泛指或一般的抽象的概念時,多用動名詞,如:

(92)_B_ is a good form of exercise for both young and old.

A.The walk B.Walking C.To walk D.Walk

2.在”There/It be no use(good/help/need)”之後常用動名詞做主語,而少用不定式,如:

It /There is no use crying over the split milk.

It /There is no help taking this medicine.

★但是如果該句型中用了for引出不定式的邏輯主語,就隻能用不定式,如:

(93) There is no good for us to do that exercise.

3.不定式可以和when,where,how,what,whether等連用,在句子中做主語,賓語和表語,而動名詞則不能,如:

How to solve the problem is a hot potato.

Where to put the box seems hard to decide.

Whether to do it hasn’t been decided.

What to do next is up to you.

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