宾语从句是主从复合句的一种。主从复合句是由一个主句和一(编辑修改稿)

宾语从句是主从复合句的一种。主从复合句是由一个主句和一(编辑修改稿)内容摘要：

2) If :是否，引导宾语从句。 He wondered if he could win the prize in the petition. 3) If 在 宾语从句 和 状语从句 中混合使用  Example: Has Tom been here ? No. I don’t know if he (e)here . I (call)you if he (e). will e will call es 注意：  When表 “ 当 …… 时 ” 时，是状语从句。  表 “ 何时；什么时候时 ” 是宾语从句。 四、宾语从句与简单句的相互转化 宾语从句在一定的条件下，可以转化为简单句。 1. 由特殊疑问词引导的宾语从句，主句主语与从句主语一致时，可以变为 “ 疑问词 +不定式 ” 的复合结构。 I don’t know how I should do it next. → I don’t know how to do it next. 我不知道下一步我应当怎么做。 2. 当主句谓语动词是 see, hear, watch, find等词时，其后 that从句常简化为 “ 宾语 +动词原形 / 动词的 ing形式 ”。 I saw some boys were playing basketball on the playground just now. → I saw some boys playing basketball on the playground just now. 我刚才看到一些男孩正在操场上打篮球。 3. 当主句谓语动词是 hope, agree, wish等时，主句主语或宾语与从句主语一致时，后以that引导的宾语从句可简化为不定式结构。 He agreed that he could help me with my English. → He agreed to help me with my English. 他答应帮我学习英语。 Exercises :  1) Alice wanted to know _____ her grandmother liked the boy.  A that  B if  C which  D where B 2) He hasn’t decided ______ . A how to do B when to do C what to do D what to do it C 3) John didn’t tell us ＿＿＿ in 2020． A where did he live B where he lived C where he lives D where does he lives B 4) What did your teacher say just now ? He asked me____ this morning . A how did Tom e to school. B when Tom g。