一條幾簡單的英文

I give something to someone .
我給一些東西某人.

I do something for someone .
我為某人做某事.

你依家Form幾 ?
因為to-infinitive & -ing 係因應唔同o既字而唔同,
Form 2 有得學 .
am/are/is -ing 即是現在進行式
was/were -ing 即是過去進行式
-ly 尾的係adverb , 即係用黎形容動作o既形容詞.
係verb(動詞)之後用
eg. I feel happy.
我覺得開心
I ate my dinner happily.
我開心地享用我的晚餐

to,for 都係 preposition(介詞/前置詞) ﹕to 通常都會用在 go 後面的 , for 係為某人做一些事情.....
ing 是用在現在進行的動作,如果用在 go 後面(going to),就是將來式了。
ly 是用來形容動詞的,好像﹕I walk slowly.就是形容我走的動作 [走] 得慢。

希望可令你明白多d啦,例子如下:-

1) I go to shopping / I help my mother to clean the floor. To 既意思就係"去"甘解啦.
2) I am swimming / I am watching TV. "ing"代表現在進行式亦即係表示你現在做緊既行為動作.
3) He immediately reported to his boss. / She hardly work in office "ly"代表某某地,如:立刻地 / 勤力地. 時常用於動詞之前,以加強表達你既行動.
4) "for"較困難解釋比你知,最好建議你唔好用如你唔適用既話.費事被扣分.你大可詢問英文老師,因for都好多人唔適怎用.

give something to someone .
我給一些東西某人.

I do something for someone .
我為某人做某事.