Que,Qui, ce que, ce qui, lequel
Can someone explain the uses of these relative pronouns in detail?

Question

Answer

Bonjour

If you need some help in grammar you can contact me...

Answer

Question is too large.

Here good french website (if your french good enough) wich explain it:

http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-31128.php
 and for ce que ce qui :http://www.francaisfacile.com/exercices/exercice-francais-2/exercice-francais-54800.php