五年級英語語法知識點
五年級英語語法知識點
在英語學習過程中，語音、詞匯和語法是三個非常重要的要素。語法作為語言的一個構成要素，在英語學習中尤為重要。接下來學習啦小編為你整理了五年級英語語法知識點，一起來看看吧。
五年級英語語法知識點：現(xiàn)在完成時
構成：主語+助動詞have, has+過去分詞
用法：
1) 表示過去發(fā)生的和現(xiàn)在有某種聯(lián)系的動作，常和just, usually, already, since等時間副詞連用
I have just had lunch. (飽了，不用再吃了)
He has had a cup of tea.(不渴了，不用再喝)
They have already had their holiday. (不能再度假了)
The boy has already read the book. (已經(jīng)知道書的內(nèi)容了，不用再看了)
2) 詢問別人是否做過某事一般用現(xiàn)在完成時：
Have you finished your homework?
Have you been to Beijing?
Have he seen the film?
3) 表示開始于過去并持續(xù)到現(xiàn)在的動作
I have lived in Beijing for twenty years.
I have worked for this school for 1 year.
4) 表示一種經(jīng)歷，經(jīng)驗：去過…地方，做過…事情，經(jīng)歷過…事情
I have never had a bath.
I have never seen a film.
I have never been to cinema.
I have ever been to Paris.
Have been to表示去過，have gone to 表示去了
I have been to London.(人已經(jīng)回來)
He has gone to London.(人還在那里)
5) 表示一種結果， 一般不和時間副詞聯(lián)用
I have lost my pen.
I have hurt myself.
He has become a teacher.
She has broken my heart.
句型變化：
★變疑問句將助動詞移到句首，變否定句在助動詞后面加not.
e.g. Have you lost your pen? I have not lost my pen.
★肯定回答及否定回答
Yes, I have. No, I have not.
★特殊疑問句：
What have you done?
What has he done?
一般過去時與現(xiàn)在完成時的區(qū)別：
凡是有明確的表示過去的時間狀語的句子為過去時
注意：有些動詞表示的動作有一個終點，不能再延續(xù)，因此不能和表示一段時間狀語連用
錯：I’ve left Beijing for 3 days.
對：I left Beijing 3 days ago. I have been away from Beijing for 3 days.
五年級英語語法知識點：情態(tài)動詞
一、 can, (could 過去式)
1) 表示能力(體力、知識、技能)。
Can you lift this heavy box?(體力)
Mary can speak three languages.(知識)
Can you skate?(技能)
Can只有一般現(xiàn)在時和一般過去式;
2) 表示請求和允許。
-----Can I go now?
----- Yes, you can. / No, you can’t.
3) 表示客觀可能性(客觀原因形成的能力)。
They’ve changed the timetable, so wecan go by bus instead.
This hall can hold 500 people at least.
4) 表示推測(驚訝、懷疑、不相信的態(tài)度)，用于疑問句、否定句和感嘆句中。
Can this be true?
This can’t be done by him.
How can this be true?
二.should,
1) should,表示應該勸告、建議和命令。
1. I should help her because she is introuble.
1. You should go to class right away.
2. Should I open the window?
3) 表示推測
Should(客觀推測) , must (主觀推測)。
1. He must be home by now. (斷定他已到家)
2. He should be home by now.(不太肯定)
五年級英語語法知識點：like的用法
like的搭配使用方法有兩種：
like doing
like to do
一般情況，小學考試中出現(xiàn)的考題以“like doing”的搭配為主，一般而言“like doing”和“like to do”沒有很大的區(qū)別，些微區(qū)別如下解釋：
like doing 表示喜歡做某事，但是當下實行的可能性未知
like to do也表示喜歡做某事，當下去實行此事的可能性較大，隱藏著“想要做....”的含義
我們在出題中，經(jīng)常喜歡考一下like to do這樣的句型，來考查學生是否掌握該固定句型：
eg：Would you like _______________ (take) part in the meeting?
此題的答案： to take 而不是 taking
Would you like to do的固定句型，是典型的征詢他人意見的句型，表示“做....好嗎?”
肯定回答該句： Yes, I would.
否定回答該句： No， I wouldn't.
練一練：
1. We don’t like _____(eat) hamburgers.
2. I'd like ________(finish) my homework today.
3. They like ________(talk) with each other.
4. Would you like _______(have) some apple juice?
5. Both of them like ________ (swim)tomorrow.
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