八年級英語下冊Unit 9知識講解
正是父親昨天晚上在實驗室作實驗。
it was at the gate of the school i met tom. 正是在校門口我見到湯姆。
it was last week that l attended an art exhibition for the first time.
是上周我才第一次參觀一個藝術展覽。
it was not until he broke my favorite vase that l flew into rages.
我是在他打碎了我的花瓶時才生氣的。
it was because he was ill that he didn't come to the school yesterday.
正是因為他病了昨天才沒來上學。
【詞語辨析】
1. hear，hear of與hear from
(1)hear為及物動詞，意為“聽見，聽到”，后可跟復合賓語，hear sb do sth表示“聽見某人做了某事”或hear sb doing sth表示“聽見某人正做某事”。
we listened but could hear nothing. 我們留心聽，卻什么也沒有聽見。
i heard her singing in her room. 我聽見她正在房間里唱歌。
(2)hear還可作“聽說”講，后常跟that引導的賓語從句。
i heard that he was ill. 我聽說他病了。
i heard that it’s a good film. 我聽說那是部好影片。
(3)hear of意為“聽說”，后跟人或物作賓語。
i’ve never heard of that place. 我從未聽說過那個地方。
have you ever heard of that story? 你聽說過那個故事嗎？
(4)hear from意為“收到某人的來信”，后跟人作賓語。
how often do you hear from your sister? 你多長時間收到你姐姐的一次信？
i heard from him last week. 我上周收到他的信。
2. find，find out與look for都含有“尋找，找到”的意思，但其含義和用法卻不同。
(1)find意為“找到，發現”，通常指找到或發現具體的東西，也可指偶然發現某物或某種情況，強調的是找的結果。
will you find me a pen? 你替我找支鋼筆好嗎？
he didn’t find his bike. 他沒找到他的自行車。
(2)look for意為“尋找”，是有目的地找，強調“尋找”這一動作。
i don’t find my pen；i’m looking for it everywhere. 我沒有找到我的鋼筆，我正到處找。
he is looking for his shoes. 他在找他的鞋子。
(3)find out意為“找出，發現，查明”，多指通過調查、詢問、打聽、研究之后“搞清楚，弄明白”，通常含有“經過困難曲折”的含義，指找出較難找到的、無形的、抽象的東西。
please find out when the train leaves. 請查一下火車什么時候離站。
read this passage，and find out the answer to this question.
讀這篇短文，找出這個問題的答案。
3. already，still與yet
(1)already用于肯定的陳述句，也可用于疑問句，表示期待肯定回答，或表示驚訝。或用于否定句，也帶有否定含義。
when i arrived, he was already there. 我到達時，他已在那兒了。
is it six o’clock already? 已經到6點鐘了嗎？