"when will be convenient for you to come?"中空处填it还是there

"when will be convenient for you to come?"中空处填it还是there When will it be convenient for you to come? Will it be convenient for you to start work tomorrow? When will __be convenient for you to come to my place.A ther 请问When will it be convenient for you?句中在“convenient”人何要加“be 时间状语不用介词When will it be convenient for you?Anytime on next M you can come whenever it is convenient to /for you .这两个介词放这里 I just want to ask,will you still be there when i come back. Can you suggest a time()it will be convenient to meet? -----------will you come back中填how soon还是when 英语翻译would it be convenient for you to pick me up at four o'c And maybe it will not be easy for you to buy the when you ar