it will be后面加什么介词

will be后面可以接1，现在分词构成将来进行时will be doing。2，过去分词构成一般将来时的被动语态will be done。3，动词不定式作表语will be to do等。一般不加介词。

It will be worth your while to come to the meeting.

你来参加会议对你会大有好处。

It will be a mild night, around nine degrees Celsius.

晚间天气温和，温度约九摄氏度。

It will be able to put together a governing coalition.

它将能够组建一个执政联盟。

It will be best to wipe the system and reinstall everything.

最好是格式化系统，然后全部重装。