条件状语从句公开课PPT学习教案

1、会计学1条件状语从句公开课条件状语从句公开课What will I do if it is sunny this weekend?第1页/共18页1.I want to know if he will go to park with us.2. We will have a picnic if it doesnt rain.3. If you boil water, it becomes steam. 4. If you feel tired must .宾语从句条件状语从句第2页/共18页语法1：if作为宾语从句的引导词，引导宾语从句。（是否）语法2：if（如果）引导的条件状语从句第3页/共

2、18页宾语从句 if 用于宾语从句中原句式原句式引导词引导词从句语序从句语序一般一般疑问句疑问句whether/if改为陈述句 语序第4页/共18页由从属连词whether, if 引导的宾语从句e.g. 1. I want to know _. （他是否跟我们一起去公园）2. Ask him _. （他是否能来）3. I didnt know _.（是否要下雨） if (whether) he will go to the park with us whether (if) he can come whether it was going to rain or not当句末为or not时，

3、引导词只能用whether而不能用if.第5页/共18页I dont know _ he will come or not.I dont care of _ he is handsome.He wondered _ to stay here the next week._ he will come is not decided. 与or not 连用只能用whether介词后只能用whether与to do 不定式连用只能用whether作主语只能用whether第6页/共18页If 引导条件状语从句 第7页/共18页If it is sunny this weekend, I _ footb

4、all with my classmates.If it is sunny this weekend, I_. will play第8页/共18页If it is sunny this weekend, I _.If it is sunny this weekend, I _.Wont stay at home wont watch television 第9页/共18页第10页/共18页Ask for help from teachers / parents / friends.wash the wound call for helptake medicinesee the doctorIf

5、 a dog bites you, first, you should_.Then, you should_.Next, you should_. And you shouldStay cool第11页/共18页 if 条件句不一般, 几个要点记心间; 条件句,放在前, 逗号要放句中间。 条件句表可能， 主将从现不一般； 条件句表事实， 主句常用现在时 If还有“是否”意 , 宾语从句放后边summary第12页/共18页考连词- 做题思路 考时态-做题思路： 分析句子- 判断关系- 选择正确的if的用法认字- 判断语境提供的时态特点- 选择正确的时态第13页/共18页the massage to him. goes will have stopshave w