I can gravel you can gravel he can gravel we can gravel you can gravel they can gravel
Forma com V-ing
I can be gravelling you can be gravelling he can be gravelling we can be gravelling you can be gravelling they can be gravelling
Perfeito
I can have gravelled you can have gravelled he can have gravelled we can have gravelled you can have gravelled they can have gravelled
Perfeito com V-ing
I can have been gravelling you can have been gravelling he can have been gravelling we can have been gravelling you can have been gravelling they can have been gravelling
Negação
Forma simple
I can't gravel you can't gravel he can't gravel we can't gravel you can't gravel they can't gravel
Forma com V-ing
I can't be gravelling you can't be gravelling he can't be gravelling we can't be gravelling you can't be gravelling they can't be gravelling
Perfeito
I can't have gravelled you can't have gravelled he can't have gravelled we can't have gravelled you can't have gravelled they can't have gravelled
Perfeito com V-ing
I can't have been gravelling you can't have been gravelling he can't have been gravelling we can't have been gravelling you can't have been gravelling they can't have been gravelling
Forma interrogativa
Forma simple
can I gravel? can you gravel? can he gravel? can we gravel? can you gravel? can they gravel?
Forma com V-ing
can I be gravelling? can you be gravelling? can he be gravelling? can we be gravelling? can you be gravelling? can they be gravelling?
Perfeito
can I have gravelled? can you have gravelled? can he have gravelled? can we have gravelled? can you have gravelled? can they have gravelled?
Perfeito com V-ing
can I have been gravelling? can you have been gravelling? can he have been gravelling? can we have been gravelling? can you have been gravelling? can they have been gravelling?
Forma interro-Negação
Forma simple
can't I gravel? can't you gravel? can't he gravel? can't we gravel? can't you gravel? can't they gravel?
Forma com V-ing
can't I be gravelling? can't you be gravelling? can't he be gravelling? can't we be gravelling? can't you be gravelling? can't they be gravelling?
Perfeito
can't I have gravelled? can't you have gravelled? can't he have gravelled? can't we have gravelled? can't you have gravelled? can't they have gravelled?
Perfeito com V-ing
can't I have been gravelling? can't you have been gravelling? can't he have been gravelling? can't we have been gravelling? can't you have been gravelling? can't they have been gravelling?