1.They are students
2.The flowers turn red in Spring
3.The boys layghed
4.We study English
5.The teachers asked me two questions
6.We all call him Xiao Li
7.China is a socialist counry
8.The sun rises in the east
9.We gave him a hearty welcome
10.LeiFeng died young
11.I saw him going upstairs
12.It is not a pen
13.Only in that way,can we learn English
14.One must do one's duty
1.They are students 主系表
2.The flowers turn red in Spring 主系表状
3.The boys layghed 主谓
4.We study English 主谓宾
5.The teachers asked me two questions 主谓双宾语（间接宾语、直接宾语）
6.We all call him Xiao Li 主谓宾宾补
7.China is a socialist counry 主系表
8.The sun rises in the east 主谓状
9.We gave him a hearty welcome 主谓双宾语
10.LeiFeng died young 主谓
11.I saw him going upstairs 主谓宾宾补
12.It is not a pen 主系表
13.Only in that way,can we learn English 倒装句，主谓宾状
14.One must do one's duty 主谓宾
这些就是很简单的句子啊，你是要翻译吗？