Unit4 Attitudes towards Our Elders-grammar學(xué)案
2>作狀語(yǔ)的關(guān)系副詞when/where/why的省略that was the last time <when> i met him2 狀語(yǔ)從句中的省略當(dāng)狀語(yǔ)從句中的主語(yǔ)和主句的主語(yǔ)一致時(shí)，可以省略狀語(yǔ)從句中的主語(yǔ)和系動(dòng)詞be.1>連詞<when;if;even if;unless;once;until;as;than>+pphe did the work as well as expectedi won't attend the party even if invited2>連詞〈when;while;though>+doingi came across him when crossing on the street.though working in such poor conditions ,he still finished the work on time.3>連詞<as,as if ,once>+名詞once a thief,he works as a policeman now.4>連詞<though,whether,when,if>+形容詞if necessary, please apologize to her5>連詞<,while,as if ,whether>+介詞短語(yǔ)while in england, he learned a foreign language.另外，我們也可以用so; not 替代上文中的內(nèi)容，此時(shí)常用if so/notwork hard around the clock. if so, you will succeed.you should finish the work on time. if not, you will be punished在某些形容詞glad; ready; pleased ;happy 等后。---will you carry out the plan?---i'm glad to假如語(yǔ)境中有表示時(shí)態(tài)的have, have been,和be，常在答句中表現(xiàn)出來(lái)。---why haven't you attended the lecture ?---i'd like to have, but it rained heavily練習(xí)：1. tom wanted to play football with his friends in the street, but his father told him______.
a.not to b.not to do c.not to it d.do not to
2. —do you think jack is going to watch a football match this weekend?
—_______.
a.i believe not b.i believe not so c.i don’t believe it d.i don’t believe
3. —what do you thing made the girl so glad?
—_______a beautiful necklace.
a.as she received b.receiving
c.received d.because of receiving
4. father advised me not to say anything until_ _______at the meeting.
a.asking b.to ask c.asked d.ask
5. —have you watered the flowers?