Japanese - vocab help?

Question

So yeah I'm confused on some of the words and their meaning. If you could help I would greatly appreciate it.

Words:

Watashi

Watashitachi

Arimasen

Motte

Kyoushi

Boku

Bokutachi

No

Anata

Shite

Answer 1

i or me (formal or female)

us or we (formal or female)

don't have

? (would need to see the kanji) or the context

? (would need to see the context)

i or me (male or female slang)

us or we (male or female slang)

's (shows possession) (ex. my book) 私の本

you

do it

Answer 2

Watashi = I...

Watashitachi = I am (i think)

Arimasen = I don't have it

Motte = with, through

Kyoushi = unsure I cant find it in my book

Boku = we

Bokutachi =  we are (i think)

No = it belongs

Anata = you

Shite = unsure I cant find it in my book

Answer 3

Watashi

=i, me

Watashitachi

=we, us

Arimasen

=not

=there's no ___

Motte

=hold ___ and ~

=hold this.

Kyoushi

=teacher

Boku

=i, me (male)

Bokutachi

=we, us (only male, or male and female)

No

=nai

=iie (opposite of yes)

Anata

=you

Shite

=do ___ and ~