2004-7-8 09:54
Type 1 (Real)
-The condition is always ture,or is possible in the present or future.
If +present form +future form/may/might/could/imperative
If +present form +present form/imperative
Example:When it rains,the roof leaks.
Type 2(Hypothetical)
-The condition is either impossible or unlikely to happen in the present or future
If +past simple or past continuous +would/could/might +infinitive
Example:If we started using cleaner fuels,the air quality would improve
Type 3(Hypothetical)(Past)
-the condition is impossible
If +past perfet simple or continuous +would/could/might have+past participe
Example:If you had dealt with the situation earlier,it would not have become so serious.
也不知道对你们有没有用,随便发发.....
不过,这个语法在英文中是属于ADVANCED..........
-The condition is always ture,or is possible in the present or future.
If +present form +future form/may/might/could/imperative
If +present form +present form/imperative
Example:When it rains,the roof leaks.
Type 2(Hypothetical)
-The condition is either impossible or unlikely to happen in the present or future
If +past simple or past continuous +would/could/might +infinitive
Example:If we started using cleaner fuels,the air quality would improve
Type 3(Hypothetical)(Past)
-the condition is impossible
If +past perfet simple or continuous +would/could/might have+past participe
Example:If you had dealt with the situation earlier,it would not have become so serious.
也不知道对你们有没有用,随便发发.....
不过,这个语法在英文中是属于ADVANCED..........