Project 34365: part 91

(九十一/三百六十五）
今天是二〇一四年三月四日。
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(This is just random 5 sentence.)
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我去过中国。
她看过这本书。
他们上/讀完过大学。 They went to the university.
我去过慢跑过了。 as you can see in this case, 过 is not a substitute for 了
他它们去过电影院。

Here, 过 means that you have done it once.

Project 34365: part 91

(九十一/三百六十五）
今天是二〇一四年三月四日。
----
(This is just random 5 sentence.)
---
我去过中国。
她看过这本书。
他们上完过大学。please delete 完 
我去过慢跑。 慢跑 is a Common nouns.  Go is a verb. 去过 means had went.  But the best way is 我慢跑过了。（i had went slowly running)
它们去过电影院。 它们 can't be describe as  real people. They went to the cinema. if you want to say “people” go to the cinema, please write 他们 。