Jennifer now is married（为何now放在is前面）

Jennifer now is marriedand has three children of her own.

now是个副词，地方是灵活的，可放句首，句中（动词前、动词后），与句末。

英语中不少副词都是地方灵活的，譬如：

Quietlyhe leaves the room. 

He quietly leavesthe room.

He leaves the room quietly.