高中英语2024届高考语法复习条件句汇总（共三类）.doc
高考英语语法条件句汇总（一）The first conditional is used to express situations based on fact in the present or future (things which may happen).第一个条件用于表达基于现在或未来事实的情况（可能发生的事情）。Uses the simple present tense + will or a modal verb:-使用简单的现在时 + will 或情态动词：-Formation 例子(IF Clause) （IF 子句）(Main Clause) （主句）If I see you tomorrow, 如果我明天见到你，I will buy you a drink. 我给你买一杯饮料。If you buy me a drink,如果你给我买一杯饮料，I might buy you one.我可能会给你买一个。or. 或。(Main Clause) （主句）(IF Clause) （IF 子句）I will buy you a drink我给你买一杯饮料if I see you tomorrow.如果我明天见到你。I might buy you one我可能会给你买一个if you buy me one.如果你给我买一个。We often use unless which means 'if . not'. 我们经常使用“除非”，意思是“如果.不是'。Formation 例子(IF Clause) （IF 子句）(Main Clause) （主句）Unless you hand in your homework, 除非你交作业，I won't mark it. 我不会标记它。means 方法If you don't hand in your homework, 如果你不交作业，I won't mark it. 我不会标记它。or. 或。(Main Clause) （主句）(IF Clause) （IF 子句）I won't mark your homework我不会批改你的作业unless you hand it in.除非你把它交出来。means 方法I won't mark your homework我不会批改你的作业if you don't hand it in. 如果你不交上去。Note! We never use will, or won't in the if part of the sentence. 注意！我们从不在句子的 if 部分使用 will，或者 won't 。For example: 例如：If I have time today, I will phone my friend. = I will phone my friend if I have time today. (It is possible that I will have time - therefore the condition is real). 如果我今天有时间，我会打电话给我的朋友。= 如果我今天有时间，我会打电话给我的朋友。（我可能会有时间 - 因此情况是真实的）。If I go to England, I will buy some Cheddar cheese. = I will buy some Cheddar cheese if I go to England. (It is possible that I will go to England - therefore the condition is real). 如果我去英国，我会买一些切达干酪。= 如果我去英国，我会买一些切达干酪。（我有可能去英国 - 因此情况是真实的）。（二）The 2nd conditional is used to express unreal situations in the present or future. Often used to express a wish. 第二个条件用于表示现在或未来的不真实情况。通常用于表达愿望。Uses the simple past tense:-使用简单的过去式：-Formation 例句(IF Clause) （IF 子句）(Main Clause) （主句）If I won the lottery, 如果我中了彩票，I would buy a new house. 我会买一栋新房子。or. 或。(Main Clause) （主句）(IF Clause) （IF 子句）I would buy a new house我会买一栋新房子if I won the lottery.如果我中了彩票。Note! We never use would, or wouldn't in the if clause. 注意！我们从不在 if 子句中使用 would，或者 would 不使用。For example: 例如：If I were you, I wouldn't do that. = I wouldn't do that, if I were you. (I am not you - therefore the condition is unreal).如果我是你，我不会那样做。= 如果我是你，我不会那样做。（我不是你 - 因此条件是不真实的）。If I had more time, I would do more on my websites. = I would do more on my websites, if I had more time. (I don't have more time - therefore the condition is unreal). 如果我有更多的时间，我会在我的网站上做更多的事情。= 如果我有更多的时间，我会在我的网站上做更多的事情。（我没有更多时间 - 因此条件是不真实的）。（三）Used to express conditions in the past that did not happen. Often used to express criticism or regret with would have, could have or should have.用于表示过去没有发生的情况。通常用于表达批评或遗憾，本来可以，或者应该有。Uses the past perfect tense:-使用过去完成时：-Formation 例子(IF Clause) （IF 子句）(Main Clause) （主句）If I had worked harder,如果我再努力一点，I would have passed my exam. 我会通过考试的。If I had worked harder,如果我再努力一点，I could have passed my exam. 我本可以通过考试的。If I had worked harder,如果我再努力一点，I should have passed my exam. 我应该通过考试。or. 或。(Main Clause) （主句）(IF Clause) （IF 子句）I would have passed my exam我会通过考试的if I had worked harder.如果我更努力地工作。I could have passed my exam我本可以通过考试的if I had worked harder.如果我更努力地工作。I should have passed my exam我应该通过考试if I had worked harder.如果我更努力地工作。Note! We never use would have, or wouldn't have etc in the if clause. 注意！我们从不在 if 子句中使用 would have 或 won't have etc。For example: 例如：If I hadn't helped you, you would have failed. = You would have failed, if I hadn't helped you. (I helped you so you didn't fail).如果我没有帮助你，你就会失败。= 如果我没有帮助你，你会失败的。（我帮了你，所以你没有失败）。If it had been sunny, we could have gone out. = We could have gone out, if it had been. (We didn't go out because it wasn't sunny).如果天气晴朗，我们本可以出去的。= 如果是的话，我们本可以出去的。（我们没有出去，因为天气不是晴朗的）。3
