小學是為將來的學習打基礎的階段,所以很多的家長對于孩子小學階段的英語比較的重視,小學階段的英語已經(jīng)接觸到與語法,字母之間今天就來講講小學英語要掌握的四大時態(tài).
一般現(xiàn)在時
主要描述經(jīng)常會發(fā)生的動作、狀態(tài)或不變的真理。
句末常出現(xiàn)every day/week/year/Monday,in the morning；句中常有always,usually,often,sometimes
組成1.主語+be+名詞（形容詞）
I am a student.
He is tall.
否定句：在be后加not
I am not a student.
He is not tall.
疑問句：be動詞提前到位。
Are you a student?
Yes,I am./No,I am not.
Is he tall?
Yes,he is./No,he isn’t.
組成2.主語+動詞+地點+時間
We go to school on Monday.
He goes to the park on Sunday.
否定句：主語+don’t/doesn’t’t+動詞原形+地點+時間
We don’t go to school on Monday.
He doesn’t go to the park on Sunday.
疑問句：在句首加do或does
Do you go to school on Monday?
Yes,we do./No,we don’t.
Does he go to the park on Sunday?
Yes,he does./No,he doesn’t.
動詞第三人稱單數(shù)變化
1.在原單詞末尾加s,如：like–likes
2.單詞以o,sh,ch,s,x結尾加es,如：go–goes
3.單詞末尾為輔音+y結尾去y加ies如：study-studies
現(xiàn)在進行時
主要敘述正在發(fā)生的事情。
句末常出現(xiàn)now；句首常出現(xiàn)look,listen。
組成主語+be+動詞ing形式
I am reading English.
They are swimming.
He is playing football.
否定句：在be后加not
I am not reading English.
They are not swimming.
He is not playing football.
疑問句：將be放到位。
Are you reading English?
Yes,I am./No,I am not.
Are they swimming?
Yes,they are./No,they aren’t.
Is he playing football?
Yes,he is./No,he isn’t.
動詞變ing形式
1.在動詞末尾加ing.如：play-playing
2.末尾有e，要去e加ing.如：ride–riding
3.末尾以輔音元音輔音結尾，雙寫末尾的輔音字母.如：swim-swimming
一般過去時
主要描述過去發(fā)生的事情。
句末常出現(xiàn)last night/week/Monday/year,yesterday,ago
組成主語+動詞過去式
I was a pilot.
They were busy.
He went to the market.
否定句：在be后加not，在普通動詞前加didn’t動詞恢復原形。
I was not a pilot.
They were not busy.
He didn’t go to the market.
疑問句：提前be動詞或在句前加did
Were you a pilot?
Yes,I was./No,I wasn’t.
Were they busy?
Yes,they were./No,they weren’t.
Did they go to the market?
Yes,they did./No,they didn’t.
動詞變過去式
1.在末尾加ed或d如：play-played、like-liked
2.輔音加y，結尾去y加ied.如：study-studied
3.輔音元音輔音結尾雙寫最后一個字母加ed.如：stop-stopped
一般將來時
主要描述將來要發(fā)生的事情。
句末常出現(xiàn)next Monday/week/year,tomorrow
組成1.主語+be going to+動詞原形
I am going to visit Ann.
They are going to draw a dog.
She is going to ride a horse.
否定句：在be后加not
I am not going to visit Ann.
They are not going to draw a dog.
She is going to ride a horse.
疑問句：將be提前
Are you going to visit Ann?
Yes,I am./No,I am not.
Are they going to draw a dog?
Yes,they are./No,they aren’t.
Is she going to ride a horse?
Yes,she is./No,she isn’t.
組成2.主語+will+動詞原形
I will go to the library.
They will clean the house.
She will eat breakfast at home.
否定句：在will后加not或將will not寫為won’t
I will not go to the library.
They will not clean the house.
She will mot eat breakfast at home.
疑問句：將will提前
Will you go to the library?
Yes,I will./No,I won’t.
Will they clean the house?
Yes,they will./No,they won’t.
Will she eat breakfast at home?
Yes,she will./No,she won’t.
