最后,一个"if-clause"经常是这样的情形--一些事情必须在此之前发生,以后的事才能发生。 Zero Conditional: certainty We use the so-called zero conditional when the result of the condition is always true, like a scientific fact. 第一种情况我们称为“零条件”,在这种情况下由条件引起的结果通常都是事实...
Learn more about thefirst conditional if-clausesin English grammar. Second Conditional:simplepast + would Thesecond conditionaltalks about an unlikely or imaginary event and its result. It is therefore known as theunreal conditional. Examples: ...
A first conditional sentence contains two clauses: the"if" clauseand themain clause. To make the "if" clause, we use: "if" + present tense. To make the main clause, we use: future tense. The "if" clause can be used first or second. The meaning is exactly the same: ...
If clause是英语中if引导的从句，表示一个条件或假设，在英语中又称为条件句，由一个状语从句构成，包含一个主句和一个从句。主句和从句之间使用逗号隔开，if引导从句，并且从句的谓语动词不用使用助动词。if clause的使用范围 If clause在英语中十分常用，可以用来表示假设或情况的不同。一般来说，if c...
最后,一个"if-clause"经常是这样的情形--一些事情必须在此之前发生,以后的事才能发生。 Zero Conditional: certainty We use the so-called zero conditional when the result of the condition is always true, like a scientific fact. 第一种情况我们称为“零条件”,在这种情况下由条件引起的结果通常都是事实...
if clause的类型 If clause还可以分为多种类型，例如：- Zero conditional: 如果现在或无论何时，假设总是成立的（if + 现在时 + 现在时）。例如：If you heat water to 100°C, it boils.（如果你把水烧到100℃，它就会沸腾。）- First conditional: 如果假设是在将来的某一个时间实现 （if ...
Inthefirstconditional,wedescribearealpossibility.Wetalkaboutfactsthat,givencertainconditions,probablyorpossiblywilltakeplaceinthefuture.Inthiscase,theverbtensesareusually:Ifclause:if+presentsimpleIfitdoesn’train,IfIfindheraddress,Mainclause:will/’ll/won’t+baseformwe’llhaveabarbecueinthegardentomorrow.Iwill...
If Clauses Quizzes First conditional if, also known astype one conditional, is when the condition to be met is open. The condition statement can be met in present or future time. If the condition is met, then the dependent follows. ...
1. If Clauses Exercises - 2. If Conditionals Exercise 3. If / Unless / When Exercise 4. If vs Unless Exercise 2 5. Conditionals Tenses Exercise 6-7. Zero Conditional Exercise 1 / 2 8-9. First Conditional Exercise 1 / 2 10-11. Second Conditional Exercise 1 / 2 12-13. Third Co...