一 dare可作實義動詞,意為「敢於,膽敢」,作實義動詞時,有人稱、時態和數的變化
1)在肯定句中,其後常接帶to的不定式
2)在否定句和疑問句中,既可接帶to的不定式,也可接不帶to的不定式
3)在否定句和疑問句中,要用do,does, did等助動詞
He dares to swim across the river.他敢遊過這條河。
Do you dare(to) tell her the truth? 你敢告訴她真相嗎?
He doesn’t dare (to) come to see you. 他不敢來見你。
二dare也可作情態動詞,意為「敢,膽敢」,沒有人稱和數的變化,時態只有現在時和過去時,通常用於否定句和疑問句。常見用法
I dare say (that) ... 我想...,可能...
The little girl dare not speak in public.那個小女孩不敢再公眾面前說話。
He dare not tell us the truth.他不敢告訴我們實情。
I dare say (that) Jack won’t come. 我想傑克不會來。
三 dare作實義動詞和作情態動詞的區別,
dare作實義動詞可用於各種句子中;作情態動詞時,主要用於否定句和疑問句中。
1)肯定句:實義動詞 dare/dares /dared +to +do
We must dare to think, speak and act.我們必須敢想、敢說、敢做。
2)疑問句
情態動詞: Dare /Dared +主語 +do...?
實義動詞:Do/Does/Did + 主語 +dare (+to) +do ...?
Dare he speak to her? = Does he dare (to) speak to her?
他敢和她說話嗎?
3)否定句
情態動詞: daren’t / dare not /dared not +do.
實義動詞:don’t /doesn’t/ didn’t + dare (+to) +do
He daren’t speak to her. = He doesn’t dare (to) speak to her.
他不敢和她說話。
習題
句型轉換
1. Does she dare to walk home alone at night? dare作實義動詞
____ she ____ home alone at night? dare作情態動詞
Dare, walk
2.We dared not tell him that he had failed again this time. dare作情態動詞
We _______ him that he had failed again this time. dare作實義動詞
didn’t dare (to) tell
語法填空
1.The little girl dares _____(live) alone when her parents are away.
to live, dare作實義動詞
2.She doesn’t dare ______(say) what she thinks.
to say, dare作實義動詞
3.He daren’t _____(speak) English before his classmates.
speak, dare作情態動詞