مشكور اخوي

تقبل مروري

welcome
i am happy to see like this questions

first,

you can visit this site so you can find some thing valuable about prepositions ....and you can find easy testes about
how to use different kind of prep.


http://www.englishpage.com/prepositi...positions.html

second

we have to know that there is huge difference between learning and acquisition

you can learn any language in any age ...but acquisition is restricted by time,so you can acquire a language in age from 1-5 year according to critical period hypothesis and of course prepositions are part of language

finally, i want to thank you my friend for this valuable question

and if you need translation for this post you just tell me

yours

_________________

thanx alote my brother
best regard
your brother abo musaab

thanx very mtch