一 assure
▲assure用来表示向某人保证某事将要发生,既可以用来确证某事,也可以表示使某人确信（If you ASSURE a person of something,you promise them or tell them that）.assure的宾语通常是人或人称代词,所以不能直接搭用that － clause.其常用结构为：assuresb．ofsth．／as-.
①He assured us of his ability to solve the problem．他向我们保证他有能力解决这个问题.
②We booked early to assure ourselves of（getting）good seats．我们及早订座以保证我们能得到好座位.
▲assure后还可跟抽象名词作宾语,此时与ensure同义,表示确保.
①Weeks of practice assured ／ensured success in the match．几个星期的训练确保了在比赛中获得成功.
②Nothing can assure permanent peace．没有什么能确保永久和平.
▲assure在英国英语中作为专业术语,可表示投人寿保险.to insure ／assure against death投保寿险（life assurance ／insurance人寿保险） 二 insure 意思是为防不测向保险公司付钱投保（to pay money to an insurance company against future disaster）.
①My house is insured against fire．我的房子保了火险.
②Are you insured for all risks?你是不是给自己保了综合险?
(三）make sure
(1) 查明；弄确实
(2) 确信；有把握
(3) 弄到某物
查明；弄确实
find out about something
· I think the party begins at six o'clock but I'll phone to make sure.
我想晚会六点开始,但是我要打电话问确切了.
· Make sure of your facts before you accuse him.
在指责他以前要把材料核实一下.
确信；有把握
be convinced; feel sure
· I made sure you would come today.
我相信你今天一定会来的.
弄到某物
get possession of something;be certain of obtaining something
· There aren't many left.You'd better make sure of one before they are all sold.
所剩不多了.在卖完以前,你最好去弄一个来.
