學習英語時，介詞是一個重點，對某些同學來說，它也是難點，介詞的用法貫穿於初中和高中的學習。所以同學們平時一定要重視對介詞知識點的積累，老師建議同學們用歸納法最好掌握，比如，可以把同一個介詞構成的短語放在一起記，做到觸類旁通。本節內容小隴老師給大家分享關於介詞on的4個短語，你可能還不會，快學起來，下面老師就帶同學們一起學習吧！
一. put on 用法如下
1.穿上,戴上(衣、帽、眼鏡等)；
She put on her new skirt and went out.她穿上新裙子,出去了。
He put on a pair of glasses and a black hat.他戴上了一副眼鏡和一頂黑色的帽子。
作此意講時，與wear是同樣用法。
I like wearing red clothes, and you?.我喜歡穿紅色的衣服，你呢？
2.增添,增加(體重、肌肉、速度等)；
She didn't want to put on more weight.她不想增加體重。
You need to put on speed if you want to catch up them.你必須加快速度如果你想追上他們。
3.打開(煤氣、電燈、收音機等);相當於turn on。
It's getting dark, you'd better put on the light.天快黑了,你最好開燈.
Please put on the radio.請打開收音機。
Don't put on the gas, it's very dangerous.不要打開煤氣，它很危險。
4.假裝
You can put on you are sleeping when he comes.當他來的時候你可以假裝你在睡覺。
二.rely on 意思是「依賴，依靠，信任」，常用句型如下:
1. rely on sb./sth.
We can't always rely on our parents.我們不能總依賴我們的父母。
If you don't rely on him, who can?如果你不依靠他，還能依靠誰？
2. rely on/upon sb./sth. to do sth.
Most people rely heavily on mobile phone to make money nowadays.如今大部分人主要依靠手機去掙錢。
3. rely on/upon sb./sth. doing sth.
You mustn't rely upon others helping you do homework.不允許你依靠別人給你做作業。
4. rely on one's own efforts
Everybody should rely on her/his efforts to do sth..每個人都應該依靠自己的努力去做事。
三.go on；
1.go +on 意為「繼續（向前走）...…」；
The restaurant is on your head, you just go on it.餐館就在你前面，你只需繼續向前走。
2.go on（doing something）意為: 繼續（做某事）；
Mom, I am going on learning to sing and dance.媽媽，我打算繼續學習唱歌和跳舞。
3.go on（with something）意為：繼續（某事），with後面接的是名詞；
My brother wants to go on with the work.我弟弟想繼續工作。
4.go on 表示「（事情等）進行（得怎麼樣）」
What's going on out?外面發生了什麼？
5.辨析go on doing與go on to do
go on doing指做的某一事情因為其它事被暫停，尚未做完，再「繼續」做下去，還可表示「一直做某事」。（同一件事）
My father goes on reading, after lunch.午餐後，我爸爸繼續看書。
I went on doing homework when I was kind of fine.當我身體好點時，我繼續做作業。
go on to do則表示某一件事已做完，再「接著」去做另一件事。（兩件事）
Tina went to do work although she was tired. 緹娜繼續工作，儘管她很累。
I don't want to go on to watch TV, because it's boring.我不想在看電視了，因為5節目太聊了。
四.get on；
1.表示「同…和睦相處」;
The teachers fear the kids won't get on each other.
老師們擔心孩子們之間會相處得不愉快。
What is your new friend like? Do you get on with her?
你的新朋友怎麼樣？跟她相處得好嗎？
2. 表示「繼續做、始做」;
例：Mary got on with her work till 12 o'clock last night.
瑪麗繼續幹她的工作直到12點昨晚。
Let's get on.
讓我們開始幹吧。
3.取得進展；有起色。
Li Hua is getting on very well in English. She learns very quickly.
李華的英語很有起色，她學得非常快。
I asked how he had got on, but he didn't answer me.
我問他進展如何，但他沒有回答我。
4.get on 表示「取得成功、出人頭地」。
If you want to get on, you must study hard.如果你想取得成功，你就必須努力學習。
這就是本節和同學們分享的初中英語中關於介詞「on」的4個短語，同學們都掌握了嗎？
我是小隴，歡迎您的關注，更多學習乾貨，持續分享