if開頭的句子
『壹』 IF開頭英語句子 3句例句
If 可以引導賓語從句表示「是否」的含義，也可以引導條件狀語從句表示「如果」的含義。你要問時態的話那就要搞清楚它在引導條件狀語從句時所用的虛擬語氣的問題了。
a. 與現在事實相反的假設
條件從句 主句
一般過去時（be用were） should（would）等 +動詞原形
例如：If they were here, they would help you. 如果他們在這兒，會幫助你的。
含義：They are not here, they can』t help you.
b. 與過去事實相反的假設
條件從句 主句
過去完成時 should（would）等+ have+ 過去分詞
例如：If he had come yesterday, I should / would have told him about it.如果他昨天來的話，我會把這件事告訴他的。
含義：He did not come yesterday, so I did not tell him about it.
c. 表示對將來不大可能發生的事情的假想
條件從句 主句
一般過去時 should/would等 + 動詞原形
were+ 不定式
should+ 動詞原形
例如：If you succeeded, everything would be all right. 如果你將來成功了，一切都會好的。
If you should succeed, everything would be all right.
If you were to succeed, everything would be all right.
含義：You are not likely to succeed, everything will be what it is now.
『貳』 主將從現if開頭的句子加翻譯
If it rains tomorrow, we'll stay at home.假如明天下雨，我們就呆在家裡。出自英漢大詞典
請採納。
『叄』 以if開頭的英語句子10句
a. 與現在事實相反的假設
條件從句 主句
一般過去時（be用were） should（would）等 +動詞原形
例如：If they were here, they would help you. 如果他們在這兒，會幫助你的。
含義：They are not here, they can』t help you.
b. 與過去事實相反的假設
條件從句 主句
過去完成時 should（would）等+ have+ 過去分詞
例如：If he had come yesterday, I should / would have told him about it.如果他昨天來的話，我會把這件事告訴他的。
含義：He did not come yesterday, so I did not tell him about it.
c. 表示對將來不大可能發生的事情的假想
條件從句 主句
一般過去時 should/would等 + 動詞原形
were+ 不定式
should+ 動詞原形
例如：If you succeeded, everything would be all right. 如果你將來成功了，一切都會好的。
If you should succeed, everything would be all right.
If you were to succeed, everything would be all right.
含義：You are not likely to succeed, everything will be what it is now.
『肆』 vb中if語句開頭的問題
首先，你寫的那條IF 裡面的條件不能做到G=1 到15裡面的數
不相信自己運行下。
if G>=1 AND g<=15 and G=INT(g) THEN
其中內G=INT(g)是用來判斷是否為整數。容因為在1-15之間可能存在小數也符合G>=1 AND g<=15 這個條件。
『伍』 英語中用if開頭的句子結構 就是用if開頭句子的將來時和過去時的句子的結構
If 可以引導賓語從句表示「是否」的含義,也可以引導條件狀語從句表示「如果」的含義.你要問時態的話那就要搞清楚它在引導條件狀語從句時所用的虛擬語氣的問題了.
a.與現在事實相反的假設
條件從句 主句
一般過去時（be用were） should（would）等 +動詞原形
例如：If they were here,they would help you.如果他們在這兒,
含義：They are not here,they can』t help you.
b.與過去事實相反的假設
條件從句 主句
過去完成時 should（would）等+ have+ 過去分詞
例如：If he had come yesterday,I should / would have told him about it.如果他昨天來的話,我會把這件事告訴他的.
含義：He did not come yesterday,so I did not tell him about it.
c.表示對將來不大可能發生的事情的假想
條件從句 主句
一般過去時 should/would等 + 動詞原形
were+ 不定式
should+ 動詞原形
例如：If you succeeded,everything would be all right.如果你將來成功了,一切都會好的.
If you should succeed,everything would be all right.
If you were to succeed,everything would be all right.
含義：You are not likely to succeed,everything will be what it is now.
『陸』 if開頭的句子應該用什麼時態
一般來說
if後面跟的從句用一般現在時
主句用將來時
例如
If
it
rains
tomorrow,
we
will
not
go
to
the
park.
如果在文章中整篇是過去時，分別相應的變成一般過去時
過去將來時
『柒』 用5個if you開頭的英語句子
if you have a dream ,you can win.
if you work hard ,you can be the first.
if you love me ,please tell me.
if you go outside ,please turn off the lights.
if you are happy ,let me know.
『捌』 if的句子是什麼句子
句抄型： 條件從句 主句
一般現在時 shall/will + 動詞原形
非真實條件句
1）時態：可以表示過去,現在和將來的情況.它的基本特點是時態退後.
同現在事實相反的假設.
句型 ： 條件從句 主句
一般過去時 should( would) +動詞原形
If they were here, they would help you.
b. 表示於過去事實相反的假設.
『玖』 If 開頭的句子 改為倒裝句怎麼改謝謝
那麼倒裝句改為：
Had you listened to the parent』s then,
things would be different now.