1
My brother eats usually breakfast at home.
My brother usually eats breakfast at home.
Usually is an adverb of frequency. It normally goes before the main verb: ‘My brother usually eats breakfast at home.’ After be, it goes after the verb: ‘He is usually hungry in the morning.’
2
I use to go to the cinema on Sundays.
I usually go to the cinema on Sundays.
Use usually with the present simple to say what often happens now. Do not use use to for a present habit.
See USED TO