初二英语上册第二单元知识点?那么,初二英语上册第二单元知识点?一起来了解一下吧。
与锻炼和活动相关
exercise:作名词时,意为“锻炼;运动”是不可数名词,如“I should eat less food and take more exercise.”;意为“体操;练习”时是可数名词,例如“We do morning exercise every morning.”它还可作动词,有“锻炼;做运动”等含义,如“exercise,do sports,play sports”等表达都和锻炼有关。help with sth:“帮助做某事”,例如“help with housework”表示帮助做家务,还可以拓展为“help sb. with sth. = help sb. do sth.”,如“I often help him with his English. = I often help him learn English.”
频度副词:如“always(总是,100%频率),usually(通常,90%频率),often(经常,70%频率),sometimes(有时,40%频率),hardly ever(几乎从不,5%频率),never(从不,0%频率)”。这些副词在句子中的位置基本相同,一般放在助动词之后,行为动词之前。例如“What do you usually do on weekends?”中的“usually”。
其他重点词汇
housework:家务劳动,是不可数名词,“do housework”相当于“do chores”,如“She often helps her parents do housework.”
含有特殊疑问词how often的特殊疑问句
“How often do you exercise?”本句是含有特殊疑问词“how often”的特殊疑问句,用来对动作发生的频率进行提问。回答应该是频度副词或表示频率的词组,如“always,usually,often,sometimes,hardly,ever,never,every day,once a week,three times a month”等。例如“How often do you go movies? - Once a week.”要注意和“how long(多长时间,用来对‘一段时间’提问,强调时间的延续,其谓语动词应为延续性动词;还可用于询问物体的长度)”“how soon(意为‘还要多久’,是对从某个基本时间到将来某动作结束或某动作发生这段时间提问,常用在一般将来时态的句子中)”“how fast(提问多快)”“how many(+可数名词复数,提问数量)”“how much(+不可数名词)”等由“how”构成的疑问词组的用法区别。例如“How long have you had...?”“How soon will he come back?”等。
helpsb. with sth:帮助某人做某事。
go shopping:去买东西。
on weekends:在周末。
once a week:一星期一次。
twice a month:一个月两次。
go to the movies:去看电影。
every day:每天。
use the Internet:上网。
be free = have time:
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