Phrase translations please help

Hey!
Could anybody explain me the following phrases?

'afou" - when can I use it?what does it really mean and in which situations?please show me an example

"ama" - when can I use it?what does it mean and in which situations?please show me an example

"ma" - is it the same with "ama"?when can I use it?

"pes ta" - when can I use it?what does it really mean and in which situations?please show me an example

"gia na to pw" - when can I use it?what does it really mean and in which situations?please show me an example

"polu mprosta" - when can I use it?what does it really mean and in which situations?please show me an example

"tuparos" - when can I use it?what does it really mean and in which situations?please show me an example

"ekeinh" - when can I use it?what does it really mean and in which situations?please show me an example

"epeidh" - is it the same with "giati"? when can I use it?what does it really mean and in which situations?please show me an example

"kathara" - when can I use it?what does it really mean and in which situations?please show me an example

"mallon" - when can I use it?what does it really mean and in which situations?please show me an example

"an kai" - when can I use it?what does it really mean and in which situations?please show me an example
thanks in advance!

αφού = since
example:
Aφού τον συνέλαβε η αστυνομία δεν μπορούμε να κάνουμε τίποτα γι' αυτόν.
Since the police arrested him we can't do anything about him.

άμα = if
example:
Άμα βγεις, μην ξεχάσεις την ομπρέλα σου
If you go out, don't forget your umbrella.

μα = but
example:
Μα τι να του έλεγα;
But what should I tell him?

sas parakalwwwww!!!!!