家庭法說明：

英語的各種語調(diào)：

1、陳述語氣：I like apples我喜歡蘋果。

I don't like apples我不喜歡蘋果（否定）

2， 疑問語氣： What's your name？你叫什么名字？

Do you like apples?你喜歡蘋果？

3，祈使語氣： Open the door 打開門

3， 虛擬語氣： If I were you, I would forgive her如果我是你，我將會(huì)原諒她。

虛擬語氣結(jié)構(gòu)講解：

1， 與現(xiàn)在的事實(shí)相反：從句用過去式，主句用would/could/might/should/+動(dòng)詞原形

例如；If I had time ，the classroom would be so clean 如果我有時(shí)間，教室將會(huì)更加干凈。

2， 與過去的事實(shí)相反：主句用would/could/should/might/+have+ done , 從句中過去完成時(shí)

例如；If I had finished my homework ，I would have passed that test

如果當(dāng)時(shí)我完成了我的做，我就能夠通過我的考試了。

3， 與將來的事實(shí)相反：主句用：should/could/would/might/+動(dòng)詞原形，從句用should do （可能性最大），過去式（可能性一般）were to do （可能性最小）

If it should snow tomorrow，I would make a snowman 如果明天下雪，明天我將對一個(gè)雪人

If it snowed tomorrow，I would make a snowman 如果明天下雪，明天我將堆一個(gè)雪人

If it were to snow tomorrow ，I would make a snowman 如果明天下雪，我將對一個(gè)雪人

虛擬語氣的倒裝形式

If I had worked hard ，I would have finished it 如果當(dāng)時(shí)我努力工作，我就已經(jīng)完成它了。

=Had I worked hard ，I would have finished it

If it should snow tomorrow ，I would make a snowman 如果明天下月，我將會(huì)對雪人

Should it snow tomorrow ，I would make a snowman

If it were to snow tomorrow ，I would make a snowman

=Were it to snow tomorrow ，I would make a snowman

虛擬語氣在各類從句中的用法

1，I lifted the chair so that I could be seen 我舉起椅子就是為了能被看見 （狀語從句）

狀語從句中常見連接詞：as if 好像，as though 好像，in order that 為了，for fear that 生怕，

In case 萬一，lest 以防萬一，

2，主語從句： It is +形容詞 +that+ 主語+（should+動(dòng)詞原形），should可以省略

It is very important that we （should ）study English every day 我們每天學(xué)習(xí)英語是很重要的。

4， 賓語從句；I wish I would visit the moon我祝愿自己能有一天拜訪月球。

I would rather you had helped me out two days ago 我倒想你能在兩天前幫助我

賓語從句常見句型： 主語+常見動(dòng)詞+that+ 主語+ should+動(dòng)詞原形

I suggest that you should do your homework 我建議你應(yīng)該做你的作業(yè)。

表語從句；He looked as if he had been here for many years 他看起來好像已經(jīng)很多年了。

同位語從句：

I make a proposal that we should hold a meeting next week 我提議下周召開一次會(huì)議

虛擬語氣常見詞匯：，demand 要求，require 要求，proposal提議，advise 建議，order 命令，suggest建議

虛擬語氣的其他用法：

祝愿： Long live peace 和平萬歲

It is （high）time that+ 主語+ should/過去式

It's time that we had a break 我們早該休息了

It's （high）time that we should protect ourselves 我們是時(shí)候保護(hù)我們自己了。