Unit 2 How often do you exercise 知识详解-2023-2024学年英语八年级上册(人教版)

Unit 2 How often do you exercise? 你多久锻炼一次? 单元知识详解 Section A help with housework 帮忙做家务 (教材P9 1a) ①help with 帮助 讲help with +表示事物的名词 help with +宾格代词 »My sister is only six, but she can already help with some housework.我的妹妹只有6岁,但她已经可以帮忙做一些家务了. »The task is so difficult. I need someone to help with it.这项任务很难.我需要有人来帮忙. 拓 help作动词时,还有以下用法: help oneself(to sth.)随便吃／喝(某物) can't/couldn't help doing sth.忍不住做某事 help sb. with sth.=help sb.(to)do sth.帮助某人做某事 »Dinner is ready. Help yourself, please!晚餐准备好了.请自便！ »Hearing the good news, I can't help jumping.听到那个好消息,我忍不住跳了起来. »Joe helped us(to) organize the party.乔帮助我们筹备了聚会. 典例1根据汉语意思完成句子,每空一词. (怀化中考改编)我经常在星期天帮助父母做家务. I often_______ my parents_________ housework on Sundays. 答案:help; with/do ② housework/'haʊswɜː (r) k/ n.家务劳动;家务事 讲［不可数名词］是由”house + work"构成的合成词. do housework 做家务 housework 前还可加 the、some、much、a lot of、little等限定词. »Teenagers should do some housework after they finish their homework.青少年应该在完成家庭作业后做一些家务. 拓与housework 类似的合成词还有:homework＂家庭作业＂;schoolwork"课堂作业＂. sometimes 有时 (教材P9 1b) ③sometimes adv.有时 辨 sometimes, some times, sometime 与 some time sometimes 频度副词 ＂有时;间或＂,相当于at times,可位于句首、句中和句末. 对其提问要用 how often. some times 名词短语 ＂几次;几回＂,其中time 为可数名词,意为＂次;回＂. 对其提问要用 how many times. sometime 副词 ＂在某时＂,表示某个不确定或不具体的时间,常用于过去时或将来时. 对其提问要用when. some time 名词短语 “一段时间＂,常与延续性动词连用. 对其提问要用how long. »Everybody needs a shoulder to cry on sometimes in life, my dear.亲爱的,在生活中,有时每个人都需要一个倾诉的对象. »I've read the article some times. It's educational.我已经把这篇文章读了几遍,它很有教育意义. »We must get together sometime.我们一定要找个时间聚一下. »After hearing that news, he remained silent for some time.听到那个消息后,他沉默了一段时间. hardly ever 几乎从不 (教材P9 1b) ④ hardly ever 几乎从不 讲 表示频率. 其中ever为副词,意为＂在任何时候,从来;曾经＂,起强调作用. »She lives in Spain, so we hardly ever(=almost never)see her.她住在西班牙,所以我们几乎见