中考网-中考真题答案下载-中考试题库-中考成绩查询-知识点学习方法与技巧补课解题技巧学习计划表总结-中考查分网-中考网-中考资源网-中学学科网

首页 > 中考英语 > 知识点总结 > 句型分类 >

2022年初中英语if引导的英语知识点

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' }); })();
    
    英语if引导的英语知识点
    (1)if引导宾语从句和状语从句的区别
    if引导宾语从句时意为“是否”,从句中该用什么时态就应用什么时态。
    if引导条件状语从句时意为“假如”,从句中应用一般现在时代替一般将来时。
    e.g.She wanted to know if you were a teacher.
    I don’t know if the letter is yours.
    They’ll go boating if it is fine tomorrow.
    I’ll give it to her if she comes next week.
    (2)if引导宾语从句时多数情况下可以与whether互换,但如果要突出“究竟是……还是不……”这层意思时,通常用whether,并在后面的加上“or not”,即一般要选择whether构成whether…or not的结构。
    e.g.Please find out whether the money is his or not.
    Let me know whether you can come or not.
    I want to know whether you can help me or not.
     (责任编辑:admin)