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【拓展】count on和depend on / upon 都可意為"依靠，依賴"。如：
I can count on Bill to get the job done.
Our success mostly depends on your help.
【短語(yǔ)3】break down
【點(diǎn)撥】break down可意為"分解，分化"。如：
After many years， rocks break down into dirt.
【拓展】根據(jù)下列例句體會(huì)break down的其他意思：
We are late because the car broke down halfway. (壞了)
The peace talks have broken down because neither side would compromise. (失敗)
She broke down with a sob and covered her face with the hands. (感情失控)
The expenditure on the project breaks down as follows： wages 5，000 dollars， materials 8，000 dollars. (分割)
熱點(diǎn)語(yǔ)法聚焦
虛擬語(yǔ)氣是一種特殊的謂語(yǔ)動(dòng)詞形式，用于表示說(shuō)話人的假設(shè)、愿望、懷疑或推測(cè)等。本 期重點(diǎn)講述虛擬語(yǔ)氣在if引導(dǎo)的非真實(shí)條件狀語(yǔ)從句中的用法。if引導(dǎo)的非真實(shí)條件句表示的是假設(shè)的或?qū)嶋H可能性不大的情況，故采用虛擬語(yǔ)氣。虛擬條件句 從時(shí)間上又分為與現(xiàn)在事實(shí)相反、與過(guò)去事實(shí)相反、與將來(lái)事實(shí)可能相反三種情況。以下表格是虛擬語(yǔ)氣用于if條件狀語(yǔ)從句中時(shí)，主句和從句謂語(yǔ)動(dòng)詞的形式：
與現(xiàn)在事實(shí)相反：動(dòng)詞的過(guò)去式(be動(dòng)詞一般用were)would d could d might +動(dòng)詞原形
If he had time， he would come to visit you. (實(shí)際上很可能沒(méi)時(shí)間)
與過(guò)去事實(shí)相反： had + 動(dòng)詞-ed形式would d could d might have +動(dòng)詞-ed形式
If he had taken my advice， he would have finished it on time.(實(shí)際上沒(méi)有采納建議，結(jié)果沒(méi)按時(shí)完成)
與將來(lái)事實(shí)可能相反
1. 一般過(guò)去時(shí)(be 動(dòng)詞一般用were)
2. should + 動(dòng)詞原形
3. were to + 動(dòng)詞原形would d could d might +動(dòng)詞原形
If it were to rain tomorrow， the football match would be put off.(說(shuō)話人認(rèn)為明天下雨的可能性很小)
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