The verb 做 is usually used to emphasize that an action is performed with a particular object. This action often requires movement.
The verb is neutral. It means that it is neither positive, nor negative.
For example: 做衣服 , 做作业 .
做 is placed before a noun or a noun phrase.
A noun phrase is a phrase in which the main word is a noun.
We take turns doing our homework
wǒmen lúnliú zuò jiāwù
I like that you do it
wǒ xǐhuan nǐ nàyàng zuò
I like to take on work challenges that others refuse to do
wǒ xǐhuan jiēshòu tiǎozhàn zuò biéren jùjué zuò de gōngzuò
The verb 作
The verb 作 is usually used either with abstract objects or with actions which don’t produce real objects.
作 is usually negative.
For example: 作弊 , 作恶 .
作 is placed before a noun or a noun phrase.
Before you make a decision, consider the situation
xiān bǎ qíngkuàng kǎolǜ zhōuquán zài zuò juédìng
The shopping center agreed to stop false advertising
gāi gòuwù zhōngxīn tóngyì bú zài zuòjiǎ guǎnggào
She didn’t answer
tā méi zuò rènhé huídá
The verb 干
The verb 干 is also used with abstract objects. The verb is usually negative.
干 is mostly used in set expressions. For example:
干活 干什么？ 不干了
干 is placed before a noun or a noun phrase.
My son doesn’t like math. Every time he does a little homework, he quickly gives up
wǒ érzi bù xǐhuan shùxué, měi yí cì dōu shì zuò yìhuǐr zuòyè jiù bú gān le