He (has been in the army)for 3 years.选择题

Question

He _______for 3 years.
B.has been in the army
D.has served the army

正确答案B
D为什么不可以？

Answer 1

He _______for 3 years.
B.has been in the army
D.has served the army

正确答案B
D为什么不可以？
答：serve作"服役" 解时是不及物动词，D改为：has served in the army。
例：
Battalion Leadership - ROTC
MSG VanDenBroeck has served in the ARMY for over 18 years of service in Special
Forces. He completed 2 tours in Afghanistan with the 3rd Special Forces ...

Answer 2

for 3 years
表示延续性动作只能选择B 而D 是非延续性动词
举另一个例子：She has gone to Beijing. 她已经去北京了 She has been to Beijing for two years.她去北京已经两年了 go是非延续性动词 been是延续性动词追问

serve是瞬间动词吗？

追答

是的

Answer 3

serve是短暂性动词 要改为延续性动词
类似于的还有borrow-keep buy-have leave-be away(from) begin-be on die-be dead come/arrive-be in finish-be over等等
希望对你有帮助

Answer 4

serve in the army 复兵役

Answer 5

强调的是他在部队服役这个状态已经持续三年，D主要是强调动作，陈述一个事实