YOU SAID:

so i went to the shop and my mum walked in on me and got really annoyed at me

INTO JAPANESE

私は店に行って、私の母親は私の中を歩いて、本当に私に迷惑をかけた

BACK INTO ENGLISH

I went to the store and my mother walked inside and really bothered me.

INTO JAPANESE

私は店に行って、母は中を歩いて本当に気になった。

BACK INTO ENGLISH

I went to the store and my mother was really concerned about walking inside.

INTO JAPANESE

私は店に行きました、そして、私の母は本当に、中を歩くことに心配していました。

BACK INTO ENGLISH

I went to the store, and my mother was really worried about walking inside.

INTO JAPANESE

私は店に行きました、そして、私の母は本当に中を歩くことを心配していました。

BACK INTO ENGLISH

I went to the store, and my mother was really worried about walking inside.