helping people around the world教案

module6 unit4
 grammar-----虛擬語氣的其他用法
learning aims：  1. to recognize the kinds of the subjective .
                2. to grasp the usages of the other forms of the subjective .
                3. to finish some exercises about forms of the subjective .
important points：knowing how to use the subjective of the other forms
difficult points： how to recognize in which conditions to use the subjective .
learning guide： read, remember and apply
復習回顧：
時間 if條件句（謂語動詞形式） 主句（謂語動詞形式）
  
  
  
省略if  
1. 復習含有條件句的虛擬語氣的幾種形式：
 

2. 單項選擇：
1. if i had studied english last year, i        able to speak it now.
  a. would have been   b. should be    c. had been    d. could be
2. if i __   where he lived, i ____ a note to him.
a. knew, would      b. had known, would have sent 
c. know, would send        d. knew, would have sent
3. if they _ __ earlier than expected, they ____ here now.
   a. had started, would be      b. started, might be
c. had started, would have been   d. will start, might have been
4. mary is ill today. if she __ __ , she ____ absent from school.
  a. were not ill; wouldn’t' be     b. had been ill; wouldn't have been
  c. had been ill; should have been  d. hadn't been ill; could be
5. were i to do it, i ___ ___ it some other way.
  a. will do    b. would do  c. would have done   d. were to do
 自主學習：
一.混合條件句
有時，主句與從句的動作發生在不同的時間，主句從句謂語動詞的虛擬語氣形式因時間不同而不同，這種條件句叫做混合條件句。
1.if you had asked him yesterday, you would know what to do now.
如果你昨天問過他，今天就知道做什么了。（從句與過去事實相反，主句與現在事實相反。）
2.if it had rained last night, it would be very cold today.
如果昨晚下過雨，今天就會很冷了。
分析：______________________________________________________________.
【習題鏈接】：
1. if they ____ earlier than expected, they ____ here now.
a. had started, would be       b. started, might be
c. had started, would have been   d. will start, might have been