1、I can tell you the truth on condition that you promise to keep a secret.我可以告訴妳真相，條件是妳答應保密。
2、You can go swimming on condition (that) you dont go too far from the river bank.妳只有在不遠離河岸的條件下才可以下水遊泳。
3、Supposing it rains,shall we continue the sports meeting?倘若下雨，我們的運動會還要繼續舉行嗎?
4、Supposing anything should go wrong,what would you do then?假如出了什麽問題，妳準備怎麽對付?
5、He will sign the contract provided we offer more favorable terms.如果我們提出更優惠的條件，他就會在合同上簽字。
6、He wont be against us in the meeting provided that we ask for his advice in advance.如果我們提前征求壹下他的意見，他就不會在會上反對我們。
7、But for the rain,we should have a pleasant journey.要不是下雨，我們的旅行肯定會很愉快。
8、Without your help,we should not have finished in time.沒有妳的幫忙，我們肯定不能及時完成任務
9、So long as you’re happy,it doesn’t matter what you do.只要妳高興，妳做什麽都沒有關系。
10、You may borrow my book as long as you keep it clean.只要妳保持書的清潔，妳就可以把我的書借去。
11、Take your umbrella in case it rains.帶著妳的傘吧，以防下雨。