unit21-22VIP专享

高三英语复习教案（11）（SB I—Units 21-22）一、单元考点提示 1.before long;long beforebefore long 意为“不久、很快”（soon,after a short period of time）,其中的 before 是介词，long 是名词，在句中作状语，常与将来时或过去时连用。如：Before long he had to move on again.long before 意为“很久以前”，其中的 long 是副词。long before 单独使用时，before 是副词。long before 后接名词或代词时，before 为介词。long before 后接从句时，before 为连词。该词组常与过去时、过去完成时连用。如：They heard of it long before.I knew your brother long before I knew you.2.force; makeforce 和 make 均有“迫使”之义，但有区别。force 常含有暴力威胁之意，常用于“force+名词/代词+带 to 的不定式”结构。如：When he was still a young man, he was forced to leave his homeland for political reasons. The PLA men forced the enemy to surrender(投降).make 所表示的迫使意义没有 force 强，常用于“make+名词/代词+省略 to 的不定式”结构。如：What makes you think I’m a worker?How did Lin Feng make the baby stop crying?注：当 make 用于被动语态时，其后作主语补足语的不定式要带 to。如：The workers were made to work ten hours a day.3.such… that;so…thatsuch…that 和 so…that 引导的都是结果状语从句。一般 such+名词+that,so+形/副词+that，其具体用法如下：（1）such… that:①such 修饰单数可数名词，即 such+a/an+(形)+单数可数名词，如：It was such a hot day that nobody wanted to do anything.This is such a good book that I have read it several times.1②such 修饰复数可数名词，即：such+(形)+复数可数名词，如：These are such small shoes that I can’t wear them.③such 修饰不可数名词，即：such+(形)+不可数名词，如：He made such rapid progress that he did well in mid-term examination.④such 与 one,no 等词一起修饰名词时，这些词要放在 such 的前面，即：onenoanyall 单数可数名词many +such+ 复数可数名词 ,如:some 不可数名词severalfewHe has made some such mistakes.I...