I can excel you can excel he can excel we can excel you can excel they can excel
Forma com V-ing
I can be excelling you can be excelling he can be excelling we can be excelling you can be excelling they can be excelling
Perfeito
I can have excelled you can have excelled he can have excelled we can have excelled you can have excelled they can have excelled
Perfeito com V-ing
I can have been excelling you can have been excelling he can have been excelling we can have been excelling you can have been excelling they can have been excelling
Negação
Forma simple
I can't excel you can't excel he can't excel we can't excel you can't excel they can't excel
Forma com V-ing
I can't be excelling you can't be excelling he can't be excelling we can't be excelling you can't be excelling they can't be excelling
Perfeito
I can't have excelled you can't have excelled he can't have excelled we can't have excelled you can't have excelled they can't have excelled
Perfeito com V-ing
I can't have been excelling you can't have been excelling he can't have been excelling we can't have been excelling you can't have been excelling they can't have been excelling
Forma interrogativa
Forma simple
can I excel? can you excel? can he excel? can we excel? can you excel? can they excel?
Forma com V-ing
can I be excelling? can you be excelling? can he be excelling? can we be excelling? can you be excelling? can they be excelling?
Perfeito
can I have excelled? can you have excelled? can he have excelled? can we have excelled? can you have excelled? can they have excelled?
Perfeito com V-ing
can I have been excelling? can you have been excelling? can he have been excelling? can we have been excelling? can you have been excelling? can they have been excelling?
Forma interro-Negação
Forma simple
can't I excel? can't you excel? can't he excel? can't we excel? can't you excel? can't they excel?
Forma com V-ing
can't I be excelling? can't you be excelling? can't he be excelling? can't we be excelling? can't you be excelling? can't they be excelling?
Perfeito
can't I have excelled? can't you have excelled? can't he have excelled? can't we have excelled? can't you have excelled? can't they have excelled?
Perfeito com V-ing
can't I have been excelling? can't you have been excelling? can't he have been excelling? can't we have been excelling? can't you have been excelling? can't they have been excelling?