条件句（conditional）是由条件状语分句（if分句）+主句构成的复杂句(complexsentence)。一共分为三种(3types)1if≈whenever(themeaningiscloseto)2主将状从现 3虚拟 非真实条件句 真实条件句 Thetype1:if≈whenever Type1是真实条件句（RealConditional）的一种。在这种条件句中，if的意义接近于whenever，所以这种...
Conditional Sentences are also known as Conditional Clauses or If Clauses. They are used to express that the action in the main clause (withoutif) can only take place if a certain condition (in the clause withif) is fulfilled. There are three types of Conditional Sentences. ...
The type 3 conditional sentences is used to refer to a time that is in the past ,and a situation that is contrary to reality ,the facts they are based on are the opposite of what is expressed .the type 3 conditional is used to refer to an unreal past condition and its probably past ...
if条件句分为零条件句、第一条件句、其次条件句和第三条件句四种,见下表(The4TypesofConditionals): 下面以动词do为例分别讲解if引导的四种条件状语从句。 一、零条件句/肯定真实条件句(ZeroConditional) 零条件句,又叫肯定真实条件句,用于阐述事实。用来表达在该条件下,结果肯定会如此(如规章,客观规律、真理等)...
The rest parts of the conditional 'If': Mixed conditional sentences It is possible for the two parts of a conditional sentences to refer to different times ,and the resulting sentences is a ‘mixed conditional ‘ sentence,there are two types of mixed conditional sentence : 1. Present result ...
In English, there are four types of conditional sentences:英语中有四大类型条件句：0 – The Zero Conditional 零条件句 1 – The First Conditional 第一类条件句 2 – The Second Conditional 第二类条件句 3 – The Third Conditional 第三类条件句 The First Conditional 第一类条件句 ◆ The First ...
In this Python if statement tutorial, we learned about Conditional Statements in Python. These are the statements that alter the control flow of execution in the program. We have different types of conditional statements like if, if-else, elif, nested if, and nested if-else statements which co...
There are four types of if statement in Java: Java中有四种类型的if语句: if statement 如果声明 if-else statement if-else语句 if-else-if ladder if-else-if梯子 nested if statement 嵌套if语句 (if Statement) The if statement is a single conditional based statement that executes only if the pro...
A conditional statement in Python also called a control statement or conditional construct. It is a statement that encapsulates the conditional expressions and evaluates the result in terms of True or False. Below are the types of conditional statements in Python: ...
Understand Python if-else statements easily with this comprehensive guide. Discover how to use conditional logic to control the flow of your programs.