Read some questions that have been answered about grammar, they may help you.

Hello Ary!  :)

'Maybe' and 'perhaps' mean the same - they are interchangeable, which means that you can use either.

'Do you think it will rain today?'  'Perhaps it will, the sky is very dark..  Maybe it will, the sky looks very dark.

However, it is useful to remember the words 'may be;' 'may' indicates possibility:

I may be late for work today  as I have missed the bus.'  'I've missed the bus, maybe I'll be late for work.' 

I may be getting married later this year if we can afford to. 

We have managed to save a lot of money this year, so maybe we'll get married.  

June :)

Hello Gala!  :)

These phrases mean 'in addition':  as well and too; also means the same but it is placed in  a sentence differently.. 

I returned  my books back to the library and I took my mother's books as well.

I returned my books back to the library and I took my mother's books too.

I returned my books back to the library and I also returned my mother's books. 

You would also say in a speech; I would also like to thank...'    :)

He is not only handsome he is also  generous.

Here are another three sentences:

I like rock music and I like classical music as well.

I like rock music but I like classical music too.

I like rock music and I also like classical music.    

I hope this helps, Gala!

June :)