英语 怎样分辨

It takes sb+时间 + to do sth It takes me five minuts to walk there.

物+cost+钱 The pen costs 3 dollars

某人+pay+钱+for You should pay 3 dollars for the pen.

人+spend+时间/金钱+(in)doing sth
I spend 3 hours (in)doing my homework.
I spend 3 dollars in buying the pen.
I spend 3 dollars on the pen.

spend
句型sb spend some money on sth.
sb spend some time doing sth.
人花费钱或时间
take
句型it takes sb some time to do sth
it开头的，只用于花费时间
cost
句型sth cost sb some money
物花费的钱
pay
短语pay for
是付款，为...花费的，主语是人

it takes sb. time/money to do sth.

it costs sb. time/money

sb. pay money on sth.

sb. spends time/money in doing sth./ on sth.

TAKE 有固定的句型 IT TAKES SOMEBODY SOMETIME /MONEY TO DO STH.

COST 一定是物作主语

PAY 和FOR 连用

SPEND SOME MONEY +1.ON STH

2. (IN)DOING STH