to be
bod
I am
dw i
You are (informal)
rwyt ti
He / She is
mae e / hi
We are
Dyn ni
You are (formal)
Dych chi
They are
Maen nhw
Am I?
Dw i?
Are you? (informal)
Wyt ti?
Is he / she ?
Ydy e/hi?
Are we?
Dyn ni?
Are you? (formal)
Dych chi?
Are they?
Ydyn nhw?
I am not
Dw i ddim
You are not (informal)
Dwyt ti ddim
He / She / is not
Dydy e/hi ddim
We are not
Dyn ni ddim
You are not (formal)
Dych chi ddim
They are not
Dydyn nhw ddim
There is / are
Mae
There isn’t / aren’t
Does dim
Is there / Are there?
Oes?
I was / used to be
Ro’n i
You were / used to be (informal)
Ro’t ti