英语知识点有疑问求讲解1、...and asked the man in the middle if he knew t
英语知识点有疑问求讲解 1、...and asked the man in the middle if he knew the other two. 关于if作"是否"的用法其拓展例句 2、My Chinese is not bad because the girl can understand me. 中understand为什么不用三单
if 做是否的时候,引导条件状语从句,主将从现(主句用将来时态,后面一般加should will 等)从句中有were have should 可以省略if 例句 if it rains tomorrow, we will not go out (主将从现) if it shoud rain tomorrow, we will not go out --- shou...
1,当if引导名词性从句,宾语从句,表语从句的时候,就翻译成“是否”。与whether等价。这时的特点就是,句子为整个一句,中间没有“,”,if通常放在句子中间。 例如: I don't know if he will come or not. 我不知道他是否会来。 2,有情态动词,如果没有can就要。...
whether和if的共性 whether和if都用来引导宾语从句,可通用。例如: I don't know whether/if they will come to help us. 我不知道他们是否来帮助我们。 I am not sure whether/if I'll have time to go with you. 我很难说我们是否有时间跟你们一起去。
1、...and asked the man in the middle if he knew the other two. “if”或“whether”是连词,用来将一个“由一般疑问句转换来的名词从句”连接到一个动词或介词上。如: A: Has Tom finished his homework? B: I don't know if/whether Tom has fi...