1、about/around/some/or so
about,around,some,or so均可來表示「大約」。前三個詞通常放在被修飾成分之前，而or so多置於其後。如：
about one hundred students大約100名學生；
at around eight o』cloch在大約八點鐘；
some twenty years ago 大約二十年前；
[應用]一句多用：這件設備重10噸左右。
Key:This piece of equipment weighs some 10 tons.
This piece of equipment weighs 10 tons or so.
This piece of equipment weighs about (around)10 tons.
2、表示「決心、決定做」的幾個用法
1)decide to do 決定做
We decided to put off the trip to the U.S.我們決定推遲美國之行。
2)make a decision to do ：
He has made a decision to buy a new computer.他已決定買一臺新電腦。
3)make up one’s mind to do
The doctor made up his mind to go abroad for further education. 那位醫生決定出國深造。
4)determine to do
We have determined to get the work done before National Day.我們已決定國慶節前完成這項工作。
5)be determined to do
He is determined to give up smoking.他決心戒菸。
6)decide that……(從句中動詞用should + 動詞原形)
We decided that we should widen the road.我們決定拓寬這條路。
[應用]一句多譯：這位年輕科學家決心繼續自己的研究。
Key:The young scientist was determined to go on with his research.
He determined to go on with his research.
He decided that he should go on with his research.
He made up his mind to go on with his research./He made a decision to go on with his research.
He decided to go on with his research.
3、表示「寧願、想要某人做某事」
下列句型均可表示「寧願、想讓某人作某事」：would like sb.to do sth.;would prefer sb.to do sth.;like sb.to do sth;want sb.to do sth.;would rather that sb.did sth.
對比：would like/love to do sth.喜歡、寧願做某事；prefer to do sth.寧願做；would rather do sth.寧願做；would like/love not to do sth.不想做；would rather not do sth.寧願不做……；prefer not to do sth.不想做；would rather do sth.than do sth.寧願做某事而不做某事；p11refer to do sth.rather than do sth.寧願做某事而不做某事。