1. Esmi/Ana esmi ...
Both mean "my name is ...", and both are commonly used.

2. Ana men ...
This one means "I am from ...", and you just add the name of your country afterward.

3. Andi ... sana
Unlike English, Egyptians don't use the form "I am ... years old", they use "I have ... years", and that's the meaning of this expression.

4. Ana badres ...
This one is "I study ...".

5. Ana bashtaghal ...
This one means "I work as ...", then you add your job.