1,keep doing sth 一直堅持做某事
例子；I keep doing homework ,. 我一直堅持做作業
2,keep sb doing sth 讓某人一直干某事
例子；His mother keeps him doing homework. 他媽媽讓他一直做作業
3.keep sb from doing sth 阻止某人干某事
例子；She keeps him from talking .她不讓他說話
希望得到采納
The dog is so big that its master can't keep it walking as he want
keep sb. doing sth
使某人一直不停地做某事
keep him doing his homework
keep do 使（）處于（）狀態
keep top side up 請勿倒放
sorry to keep you waiting so long
my mother keeps me washing plates now
詞義
keep sb doing sth.是“讓某人持續做某事”，keep sb to do sth.是“讓某人去做某事”。
形式
keep sb doing sth.是動詞+動詞ing，表示正在進行或持續進行的狀態。keep sb to do sth.是to+動詞，表示將要去做還未去做。
擴展資料
keep用作及物動詞的釋義：
（1）保留、保存、保持、留下
e.g. We'd better keep a seat for him.
我們最好給他留個座位。
He kept all the money in the bank.
他把所有的錢都存入了銀行。
（2）履行（諾言）遵守
e.g. One should keep one's promise.
一個人應當遵守自己的諾言。
Everybody must keep the law.
人人都必須守法。
（3）贍養，養活，飼養
e.g. He has a large family to keep.
他有一大家人要養活。
The old man kept many animals like dogs, pigs and cats.
這位老人養了許多動物，像狗、豬、還有貓等。
（4）經營，管理
e.g. He kept a hotel in this city.
在這座城市里，他開了一家旅店。
She is good at keeping house.
她擅長管理家務。
（5）保守（秘密），記（日記、帳）
Mary keeps a diary every day
瑪麗天天記日記。
You must keep secrets for your friends.
你必須為你的朋友們保守秘密
（6）慶祝;守(宗教節日等)
e.g. All of the people keep the Spring Festival in our 買粉絲untry.
我國所有的人都慶祝春節。
Some of them keep birthdays.
他們中有些人慶祝生日。
（7）使……處于某種狀態（情況）
在這種情況下，keep常跟復合結構（keep+賓語+補語）。用作賓語補足語常見的詞有現在分詞、過去分詞、形容詞、副詞以及介詞短語。
e.g. He kept me waiting for half an hour.
他讓我等了半個小時。
Keep your mouth shut and your eyes open.
少說話，多觀察。
The doctor kept me in for a week.
醫生一周沒讓我出去。
He always keeps his books in good order.
他總是把書放得整整齊齊。
keep +形容詞
keep+sth/sb +形容詞
keep +doing 一直做某事.keep ...from doing ...阻止做某事.
keep a pet 飼養一個寵物