2023年初二下册英语各单元知识点归纳

  Unit1 what' s the matter?

  1. It’s +形容词 + for sb. + to do sth. 做某事对某人来说是…的。

  It’s important to do sth. 做某事很重要。

  It’s important for me to eat a balanced diet. 平衡饮食对我来说是很重要的.

  It’s easy to do sth. 做某事是容易的。

  It’s easy for us to find out the answer. 找出答案对我们来说是容易的。

  2. 情态动词should的用法

  should是情态动词,它的基本用法是必须和其他动词一起构成谓语。意为"应该......"。

  should(应当,应该)用于所有人称,表示劝告或建议。

  eg. ---I have a very bad cold. 我感冒很厉害。

  ---You should lie down and have a rest. 你应该躺下,多喝水。

  3. maybe与may be

  (1)maybe是副词,译为“也许、可能”,相当于“perhaps”。如:Maybe he can answer the question. 也许他能回答那个问题。

  He maybe is from the USA, too. 他可能也来自美国。

  (2)may be中的may为情态动词,译为“可能是......”。如:

  He may be from the USA, too. 他可能也来自美国。

  She may be our English teacher. 她可能是我们的英语老师。

  4. few、a few、little、a little的区别和联系:

  (1)few / a few用来修饰可数名词,few表示否定意义,没有,几乎没有;a few表示肯定意义, 有几个。例如:

  He has few friends here, he feels lonely. 他这里没朋友,他感觉寂寞。

  There are a few eggs in the basket. 篮子里有几个鸡蛋。

  (2)little / a little用来修饰不可数名词,little表示否定意义,没有,几乎没有; a little 表示肯定意义,有一点儿。例如:

  There is little ink in my bottle. Can you give me a little ink? 我的瓶子里没有墨水了,你能给我点儿墨水吗?

  5. not…until 直到…(否定句) 才......,动词为短暂性或瞬间性动词。

  She didn’t leave until we came.

  He went shopping after he got up.

  =He didn’t go shopping until /before he got up.

  ...until/till 直到......(肯定句)动词为延续性动词

  We stayed here till/until 12 o’clock.