هنا كل ما يتعلق باستفسارات الطلبة فى الماضى و الحاضر

[asmaa12]

(when does the word (for) give the meaning of word (because)
ex : i went to the party for i was bored
this example ......... can any one explain it for me

and this example too please
he 's sincere not , he tells not the truth
when we can use" not" like that