sometimes后面加什么形態(tài)

　　Sometimes I go by car.

　　有時(shí)我坐車去。

　　Sometimes I pay, sometimes he pays ─ it seems to average out.

　　有時(shí)我付錢，有時(shí)他付錢——看來兩相持平。

　　Our jobs overlap slightly, which sometimes causes difficulties.

　　我們的工作略有重疊，所以有時(shí)引起一些困難。

　　Sometimes small firms can outdo big business when it comes to customer care.

　　在顧客服務(wù)方面，有時(shí)小企業(yè)可能優(yōu)于大企業(yè)。

　　Mothers who are depressed sometimes fail to bond with their children.

　　患憂郁癥的母親有時(shí)無法和孩子建立親子關(guān)系。