will后面加什么時態

　　Research will be needed as a preliminary to taking a decision.

　　作出決定之前需要進行研究。

　　This will give a yield of 10% on your investment.

　　這會給你的投資帶來10%的利潤。

　　It would be preferable to employ two people, not one.

　　雇請兩個人比雇請一個更好。

　　We estimated it would cost about  5 000.

　　我們估計要花費大約5000歐元。

　　No one could have foreseen things would turn out this way.

　　誰都沒有預料到事情的結果會這樣。