Unit1__语法参考课件.ppt

Unit1语法参考课件 How often:询问频率 回答： 1.频率副词：always、usually、often、sometimes、hardly ever、never （位置：行为动词之前、Be动词、助动词、情态动词之后） 2.频率短语：基数词+times+一段时间 （位置：句末） 1.表示数量多少的形容词：all、most、some、 no(all的反义词)+可数名词复数\不可数名词原型 eg:所以的学生都是男孩子。 All students are boys. 注：all…not与not all:all… not:全部否定not all:部分否定 比较：All the students are not from No.1 Middle School. Not all the studnets are from No.1 Middle Scholl. 所有的学生都不是一中来的。=No students are from No.1 Middle School 不是所有的学生都一中来的。=Some students are from No.1 Middle School, and others are from other schools. 2.the result of sth：sth.的结果是…（前果后因） eg:你这次考试的结果是非常棒的。 The result of your test this time was quite good. the result for sth.：...(选择)的结果... 两者意思相近，但of表示客观的理由。而for有点主观的色彩。 3.as for sth.\sb.\doing sth. 至于\说到某物\某人\做某事（常用于转换话题） Eg:说到做作业啊，我常花两三个小时。 As for doing homework, I usually spend two or three hours on it. 1.How long, how often, how soon How long“多长，多久”，用来询问某个动作持续了 或将持续多长时间，常用“for +一段时间”来回答。 How often “多久一次”，表示动作发生的频率，常用 always, sometimes,once a week等词来回答 How soon “多久（才回发生）”，常用来表示某一 动作在将来何时才会发生，用in+一段时间来回答 - 补充知识 How long did you sleep last night? -- For about 9 hours. -- How often do you do you eat junk food? -- Hardly ever, maybe once or twice a week. -- How soon will he be back from Shanghai? -- He’ll be back in 3 days. 2..sometimes:频率副词，“有时”，相当于 at times sometime:有个时候，有朝一日，常与将来时 some times:不常用,常用形式应是several times（有几次） some time:一段时间 He often goes to school by bus, but sometimes he goes on foot. I will visit my teacher sometime next week. They are staying in New York City for some time. I have been to Tibet some times. Find some phrases 1.相当健康 2.放学回家 3.饮食习惯 4.相当好 5.当然 6.你瞧 7.健康的生活方式 8.照顾 9.取得好的成绩 10.学习更好 11.和…一样 pretty healthy come home from school eating habits pretty good of course you see healthy lifestyle look after get good grades study better the same as… Find the key points 1.look after=take care of 2.help me to study better help sb. (to) do sth.帮助某人做某事 =help sb. with sth. eg:我常帮妈妈做家务。