英語中時間的各種介詞搭配有沒有困擾你？來學習一下英語時間介詞的`四種表達方法及搭配吧！
1．多少年，多少天以前，用這個詞ago,比如說，三年以前：three years ago.幾星期以前，weeks ago,一個半月以前：one month and a half ago，
例句：
I bumped in to my old friend a few days ago.我幾天前無意間撞見了我的老友。
Marry dropped out of school months ago.瑪麗幾個月前輟學了。
We settled down in NewYork 2 weeks ago.兩星期前我們在紐約定居下來。
2．多少年，多少天以後，用介詞in，如：幾年後：in years,in a couple of years,5個月後：in 5 months,10天后：in 10 days
例句
Ill let you know our final decision in a week.一個星期後，我會通知你我們的最後決定。
Were moving to Guangzhou in 2 days.兩天後，我們就要搬去廣州了。
3．在。。。時間以內：within,within 2 weeks,within one year,within 7 months
She will finish her work within one week.她將在一週內完成工作。
re,after這兩個詞怎麼用呢？，
~~~~它們的後面可以接從句
before在某事發生之前
after在某事發生之後：
例句
I was only a farme rbefore I came to Guangzhou.在我來廣州之前,我只是個農民
went to aconcert after we finished our work.我們下班後去聽了音樂會.
~~~~before,after這兩個詞後面還可以接名詞
例句
I would like to have a chat with you before meal.吃飯前我想和你談一下。
Ill meet you at the school gate after class.課後我們在校門口見。
