译林版英语四年级下册知识点归纳
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译林版英语四年级下册知识点归纳
1.在星期前使用介词on，例如：on Monday，XXX。
2.在时间点前使用介词at，例如：XXX，XXX forty-five。
3.在一年四季中使用介词in，例如：in spring，in summer。
4.第三人称单数动词变化规则：have变为has，或在单词后加s，例如：(1) XXX(2) XXX(3) My hand hurts.
5.在can、want to、don’t后面加动词原形，例如：(1)
She/He/David can have XXX(2) XXX(3) Don’t swim in the river。it’s very dangerous.
6.some一般用于肯定句和征求别人意见的疑问句中，例如：(1) I can see some cakes on the table。(2) Can I have some
cakes。(3) Would you like some cakes。any一般用于疑问句和否定句中，例如：(1) Do you have any cakes。(2) Can you see
any flowers under the tree。(3) We don’t have any XXX.
7.be动词am、is、are的用法：am只和I搭配，is和一个人或一件物品或it、this搭配，are和两个及两个人以上或两件或两件以上物品或we、they、these、those搭配，例如：(1) I
am very cold。(2) She/He/David is very hot。(3) The cat is very hungry。(4) It is a fine day。(5) Whose dress is this。(6)
We/They are ill.
7.XXX。
8.Helen and Mike are XXX。
9.There are five books on the table。
When using the indefinite article。"a" is used for all words
except for specific ones that require "an"。such as "an apple" or
"an elephant"。Another example would be "an orange coat"。"An" is also used for words that start with a vowel sound。such as
"an ice cream" or "an English book"。Lastly。"an" can be used to
describe having a specific class。such as "having an Art lesson"。
To describe something in a tree。"in the tree" is used for
foreign objects such as birds。monkeys。or balloons。"On the
tree" is used for things that grow on the tree。such as leaves or
fruits。
During the summer。the day is long and the night is short。Conversely。during the winter。the day is short and the night is
long.
