上海牛津英语六年级上下册全知识点梳理频度副词always/sometimes/usually/never 是频度副词，提问应该要用How often 在句中的位置是：放在行为动词的前面，放在be动词的后面。
也可以说“行前系后”。
She is always kind.她总是很善良的。
She always helps other people.她总是帮助其他人。
不能出现这样的句子：She is always helps other people.(×)一句话中不能同时出现两个动词。
并且要注意主谓保持一致，尤其注意第三人称单数不可以忽略。
how often 与 how many timeshow often 提问“频率次数+时间范围”how many times 提问“频率次数”. —How often do you exercise —Twice a week.—How many times have you been there —Twice.副词表示动作特征或性状特征。
一般用来形容或修饰除了名词和代词以外的词，主要修饰形容词、动词、其他副词和句子。
He looks very happy.（修饰形容词）The old lady is walking slowly now.（修饰动词）Luckily, he got the first prize.（修饰句子）形容词后面+ly构成副词:slow—slowly slight—slightly quick—quicklycareful—carefully fierce—fiercely immediate—immediatelygentle—gentlylucky—luckilyhappy—happily介词What else do you do with your你和你的还干什么With是个介词，后面接人称代词时，要用宾格的形式。
With me/him/her/it/us /them在具体的某一楼层只能用介词on，并且第几层还要用序数词 On the ground floor, on the first floor, on the fifteenth floor具体的某一天介词只能用onOn Sunday, On Sunday morning,On the Open Dayhe one on the left/right 左边/右边的这个 the one in the middle 中间的这个如果是介词短语修饰the one，应该要放在the one后面，如果是形容词应放the one的中间the left/right onethe middle oneat weekends= at the weekend在周末现在完成时现在完成时的构成是： have/has +动词的过去分词。
have/has been to 去过，到过 (表示现在已经回来)have/has been in 住在 = have lived / stayed inhave/has gone to 去，到.. (表示现在还没有回来). We have already been to Changfeng Park.Have you been to ..yet 你去过..吗Yes, I have already/just been to./been there. 是的，我已经去过了。
No, I havent been to /been there yet. 不，还没有去过。
already 已经(多用于肯定句，放于动词前)yet 迄今，还(多用于疑问句和否定句，放于句末)just 刚刚 (用法和位置和already相同). I have already been to Lily’s home.Have you been to Lily’s home yet I have lived in Shanghai for thirteen years.No, I haven’t been to her home yet.live / stay for在住/待(时间)for +一段时间，多与现在完成时连用表示动作从过去延续到现在的一段时间，并用how long提问。
代词one 用来指代一个人或事物，而ones用来指代一些人或事物。
定冠词the定冠词the的用法：a. 在球类运动前不加定冠词the play football / basketball / tennis, etc.b. 在乐器前必须加定冠词the play the piano / violin, etc.c. 在watching television中，不加定冠词the时间表达方式on the tenth of September / on September tenth 9月10日two fifteen = a quarter past two2:15Three ten = ten past three 3:10One thirty = half past one 1:30two forty = twenty to three 2:40half an hour = 30 minutes 用了half an hour后面就不能再有minutes one and a half hours=one hour and a half 一个半小时One hour and twenty minutes 一小时二十分钟./.分别表示上午和下午。
First,/Next,/Then/After that,/Finally,Finally = at last = in the end时间状语从句when 当...的时候引导时间状语从句，表示一个动作与另一个动作同一时间发生，或一个动作在另一个动作所延续的范围之内发生。
主从句时态要一致。
当主句用一般将来时，从句用一般现在时代替将来时。
What can you see when there is a typhoon 当有台风时，你能看见什么When it doesn’t rain tomorrow, I will go out for a walk. 当明天天气不下雨时，我将出去散步。
交通工具By bus/bike/car/underground/train/ferryridetake a bus/bike/car/underground/train/ferryHe goes to school by bus.=He takes a bus to school.He goes to school by bike.=He rides his/a bike to school.=He cycles to school.其他的交通工具都能用take来表示乘，但bike只能用ride a bikeon foot 步行 She goes to work on foot every day.=She walks to work every day.数词、量词a few 只能修饰可数名词，与可数名词的复数形式连用a little 只能修饰不可数名词 some / a lot of 既可修饰可数名词又可以修饰不可数名词。
当与可数名词连用时，只能与可数名词的复数形式连用Some用在肯定句中，any用于否定和疑问句中。
plenty of “许多，大量”，后面可跟不可数名词或可数名词复数too much 太多+不可数名词too many 太多+可数名词复数. Don’t drink too much cola. 不要喝太多的可乐。
Too many sweets are bad for your teeth. 吃太多糖对你的牙齿不好。
too little 太少+不可数名词too few 太少+可数名词复数可以用not...enough （修饰可数或不可数名词）结构改写句子。
. You eat too little fruit. = You don’t eat enough fruit.less 更少+不可数名词（less是little的比较级）fewer 更少+可数名词（fewer是few的比较级）more 更多+可数名词、不可数名词（more是many、much共同的比较级）. You should have less meat, fewer soft drinks and do more exercise. 你应该少吃肉，少喝软饮料，多做运动。
once 一次 twice 两次三次及以上: 数字+timesa quarter of 四分之一 three quarters of 四分之三量词：a slice of /slices of; a tin of/ tins of; a bag of/ bags of;a piece of/ pieces of问句How many uncles do you have你有多少个叔叔How many后面接可数名词的复数形式。
Why do you like你为什么喜欢 I likebecause我喜欢是因为Which place shall we visit我们将参加哪个地方When are we going to come back我们将什么时候回来What kind of soup/fruit would you like你想要哪种汤/水果What does this sign mean这个标志意味着什么What does this sign mean=what is the meaning of this signWhere can we find it我们在哪里能找到它Which door must we use我们必须要使用哪一扇门Would you like rice or noodles for dinner tonight你晚饭是想吃饭还是吃面条or在这里是标示一种选择关系。
A:May I have some,pleaseB: Ok. Here you are./Sorry. I havent got any. May I用于提出请求。
回答时，表示允许，常用Ok。
/Sure./All right./Yes, you may.表示拒绝时，常用No, you may not./ Im afraid you cant. 并且may not 不能用缩写的形式。
A:Would you like someB: Yes, please./No, thanks.接受别人的请求时，应说Yes, please.；拒绝别人时，应说No, thanks.I dont want any because its/theyre (too) sweet/salty/spicy/sour/bitterHow often “多久一次”，用于对时间频率提问。