定語從句
5. 分析：聽到對方說“昨天車壞了而沒去上班”，第二個人說“你本來可以借我的車去 上班。” 本來可以/能：could have done. 答案為b 6. 分析：第二個人是說：那個人不可能是她丈夫，因為她丈夫已經去世多年了。根據對 話的語境，是在談論過去的事，表示過去不可能：could not have done 答案為：b與it有關的主要句型it強調句型知識總結歸納：（一）it用做形式主語或形式賓語：根據句子結構的需要，it用做形式主語或形式賓語，而真正的主語或賓語（to do 短語，doing短語，名詞性從句）則放在句尾。主要句型：it’s +形容詞/名詞+連詞+名詞性從句to do sth.doing sth.find / make / think / feel it +形容詞/名詞+連詞+名詞性從句to do sth.doing sth.例句：1. it will become more and more important to have a good knowledge of english . 2. it’s usual for close friends to have similar ideas and beliefs . 3. it’s a pity that i didn’t think of it earlier.4. it’s no use going there so early.5. out teacher thinks it no good learning without practice.6. didn’t i make it clear to you that i was not coming ?7. we found it strange that no one would take the money.
（二）其他句型
1. it takes+時間段+sb.+ to do sth.
2. 表示“據說，據報道，/人們認為/相信/建議等
it’s said that…….
it’s reported that ……
it’s believed/thought/suggested that……
例句：1. it generally takes time to reach this point—being on the same wavelength . 2. it is believed that the two children went off exploring（探險）on their own and get stuck on the cliff . 3. it’s suggested that we should have a meeting to discuss the problem . 4. it was once predicted（預測）that british and american english would become separate languages finally . （三）it在強調句型中：在英語中，為了突出強調句子的某一個成分（謂語除外），達到強調或使聽話人特別注意這一部分的目的。便形成了一種強調句型。it is / was+被強調的部分+that / who+句子的其他部分。it is / was not until+時間+that+句子的其他部分。例句：1. i saw john on my way to school this morning.it was john who/that i saw on my way to school this morning. it was on my way to school that i saw john this morning.it was this morning that i saw john on my way to school.2. it was his best suit that john wore to the dance last night.3. it was not until 1920 that regular radio broadcast began.
4. it was the strange way things looked and sounded in my familiar room at night that frightened me so much .
5. it was the kindness and sympathy in their eyes that prevented me from doing so . 知識難點：（一）注意強調句型的變形，即以一般疑問句或特殊疑問句的形式出現的強調句型。