do you know if he will come为什么if后面用将来时

do you know if he will come为什么if后面用将来时
如题,急

夏天的梅子 1年前已收到2个回答举报

共回答了15个问题采纳率：93.3% 举报

if如果引导条件状语从句,当主句是一般将来时,从句要用一般现在时,如:If it doesnt rain tomorrow,I will go to the zoo
但在这个句子中if(是否)引导的是宾语从句,不受时态的限制,
如:I wonder if she will come to see us tomorrow

1年前

jsdklaetgrhkt 幼苗

共回答了1975个问题举报

Do you know if he will come ,if he comes ,I'll call you
第一个if 连接的是宾语从句，人还没有来所以用将来时，第二个if连接的是条件状语从句，在条件状语从句中才用一般现在时代替将来时

1年前

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