【正文】
f light. 6. Some scientists do not believe that the journey to Mars will be very fortable. Which sentence has an object clause? √ √ √ Object clauses introduced by “if” and “whether” Ⅰ . if和 whether引導(dǎo)賓語(yǔ)從句時(shí),作“是否”講,一般情況下,二者沒(méi)有區(qū)別,可以換用。如: I’m afraid that if you’ve lost it, you must pay for it. 3. 主從句之間有插入語(yǔ)時(shí)。然而,大凡規(guī)則總有例外的情況,在下列 that引導(dǎo)的賓語(yǔ)從句中, that則不能省略。 around the sun Object clauses introduced by “that”: 由從屬連詞 that引導(dǎo)的賓語(yǔ)從句 I hear (that) _______________________. He said (that) ______________________. The teacher told us (that) ______________________________. that不能省略的幾種情況 在由 that引導(dǎo)的賓語(yǔ)從句中,由于連詞 that只起引導(dǎo)功能,無(wú)具體意義,不擔(dān)當(dāng)任何成份,因此在口語(yǔ)或非正式的文體中??墒÷?。 2. that從句中含有主從復(fù)合句。 如: She said (that) she would e and that she would also bring her son. 她說(shuō)她要來(lái),還要帶她的兒子來(lái)。 The fisherman wants to know if/whether it will rain. 漁民想知道天是否會(huì)下雨。 二者在下列幾種情況下不能換用: 1. 賓語(yǔ)從句置于句首表示強(qiáng)調(diào)時(shí),應(yīng)用 whether,不用 if。 如: She can’t decide whether to go to America. 她不能決定是否去美國(guó)。 如 : Tom wants know if he won’t e here tomorrow. 湯姆想知道他明天是否不來(lái)這兒。即一般現(xiàn)在時(shí)變?yōu)橐话氵^(guò)去時(shí)、現(xiàn)在進(jìn)行時(shí)變?yōu)檫^(guò)去進(jìn)行時(shí)、一般將來(lái)時(shí)為過(guò)去將來(lái)時(shí)、現(xiàn)在完成時(shí)態(tài)變?yōu)檫^(guò)去完成時(shí)。t know ____________________ any washing. 4. 我擔(dān)心是否傷害了她的感情。 b) — Can I have some milk, Mum? 媽媽,我可以喝點(diǎn)牛奶嗎? — Yes, you can. 好的。 2. may與 might may也可以用來(lái)征求對(duì)方意見(jiàn),意為“可以”,相當(dāng)于 could,用法也比 can更正式,更禮貌,一般用于向陌生人或所尊敬的人請(qǐng)求許可。 might在語(yǔ)氣上比 may更婉轉(zhuǎn),但不如 may表現(xiàn)得那么自信,這時(shí) might不表示過(guò)去時(shí)態(tài),肯定回答時(shí)通常用 may