I can theorise you can theorise he can theorise we can theorise you can theorise they can theorise
Forma com V-ing
I can be theorising you can be theorising he can be theorising we can be theorising you can be theorising they can be theorising
Perfeito
I can have theorised you can have theorised he can have theorised we can have theorised you can have theorised they can have theorised
Perfeito com V-ing
I can have been theorising you can have been theorising he can have been theorising we can have been theorising you can have been theorising they can have been theorising
Negação
Forma simple
I can't theorise you can't theorise he can't theorise we can't theorise you can't theorise they can't theorise
Forma com V-ing
I can't be theorising you can't be theorising he can't be theorising we can't be theorising you can't be theorising they can't be theorising
Perfeito
I can't have theorised you can't have theorised he can't have theorised we can't have theorised you can't have theorised they can't have theorised
Perfeito com V-ing
I can't have been theorising you can't have been theorising he can't have been theorising we can't have been theorising you can't have been theorising they can't have been theorising
Forma interrogativa
Forma simple
can I theorise? can you theorise? can he theorise? can we theorise? can you theorise? can they theorise?
Forma com V-ing
can I be theorising? can you be theorising? can he be theorising? can we be theorising? can you be theorising? can they be theorising?
Perfeito
can I have theorised? can you have theorised? can he have theorised? can we have theorised? can you have theorised? can they have theorised?
Perfeito com V-ing
can I have been theorising? can you have been theorising? can he have been theorising? can we have been theorising? can you have been theorising? can they have been theorising?
Forma interro-Negação
Forma simple
can't I theorise? can't you theorise? can't he theorise? can't we theorise? can't you theorise? can't they theorise?
Forma com V-ing
can't I be theorising? can't you be theorising? can't he be theorising? can't we be theorising? can't you be theorising? can't they be theorising?
Perfeito
can't I have theorised? can't you have theorised? can't he have theorised? can't we have theorised? can't you have theorised? can't they have theorised?
Perfeito com V-ing
can't I have been theorising? can't you have been theorising? can't he have been theorising? can't we have been theorising? can't you have been theorising? can't they have been theorising?