Unit 2 语法思维导图及专练-2023-2024学年八年级英语上册基础知识专项讲练（人教版）

Unit 2 How often do you exercise?（语法讲练） 【知识导图】 【要点拓展】 1.常见的频度副词有：always（总是）、usually（通常）、often（经常）、sometimes（有时）、seldom（很少）、hardly（几乎不）、never（从不） 2.频度副词按照频率的高低排列为：always>usually>often> sometimes>seldom>hardly>never 3.sometime、sometimes、some time和some times辨析 （1）sometime 某一时间，过去或将来均可用 We are going to have a party sometime next week. 下周某个时候我们要举行一个聚会。 （2）sometimes有时，常用于描述现在或过去发生的情况 Sometimes he goes to school by bike and sometimes by bus. 有时他骑自行车上学，有时乘公交车。 （3）some time一段时间，此处的time为不可数名词 Will you stay in Beijing for some time? 你会在北京待一段时间吗？ （4）some times几次，此处的time为可数名词，表示“次数” He has been told not to play computer games too much some times. 他被多次告知不要玩太多电脑游戏。 4.含有频度副词的反意疑问句： （1）当反意疑问句中含频度副词always、sometimes、often、usually时，陈述句部分表示肯定意义，则疑问句部分应表示否定。 He often goes to the library, doesn't he?他经常去图书馆，不是吗？ （2）当反意疑问句中含频度副词seldom、hardly、never时，陈述句部分表示否定意义，则疑问句部分应表示肯定。 He never goes to the library, does he?他从不去图书馆，是吗？ 【奇思巧计】 频度副词真不难，几句话儿记心间。 情be助后实动前，频率提问how often。 频率高低不难选，根据意思来分辨。 【同步检测】 一、单项选择 1．—Mary loves studying. She always goes to school early. —Yes. She is _______ late for school. A．usually B．never C．sometimes 2．To protect his eyes, he _______ uses the computer. A．always B．often C．usually D．seldom 3．These people are really nice. They ________ give you a hand. A．already B．never C．always D．seldom 4．John ________ takes the bus to school because he enjoys walking there. A．always B．sometimes C．hardly ever 5．Linda ________ plays computer games because they are bad for her eyes (眼睛). A．always B．usually C．never D．often 6．— I ________ feel nervous the night before the exam. — Take it easy. I’m sure you can make it. A．never B．seldom C．always 7．Emily is a kind girl. She is ________ ready to help people in need. A．sometimes B．never C．hardly D．always 8．I have ________ been to that place, so I don’t know how to get there. A．ever B．never C．just D．yet 9．Jack is ______ late for work. He always gets up early and comes to work early. A．never B．usually C．always 10．I ________ play soccer. A．some