I can labour you can labour he can labour we can labour you can labour they can labour
Forma com V-ing
I can be labouring you can be labouring he can be labouring we can be labouring you can be labouring they can be labouring
Perfeito
I can have laboured you can have laboured he can have laboured we can have laboured you can have laboured they can have laboured
Perfeito com V-ing
I can have been labouring you can have been labouring he can have been labouring we can have been labouring you can have been labouring they can have been labouring
Negação
Forma simple
I cannot labour you cannot labour he cannot labour we cannot labour you cannot labour they cannot labour
Forma com V-ing
I cannot be labouring you cannot be labouring he cannot be labouring we cannot be labouring you cannot be labouring they cannot be labouring
Perfeito
I cannot have laboured you cannot have laboured he cannot have laboured we cannot have laboured you cannot have laboured they cannot have laboured
Perfeito com V-ing
I cannot have been labouring you cannot have been labouring he cannot have been labouring we cannot have been labouring you cannot have been labouring they cannot have been labouring
Forma interrogativa
Forma simple
can I labour? can you labour? can he labour? can we labour? can you labour? can they labour?
Forma com V-ing
can I be labouring? can you be labouring? can he be labouring? can we be labouring? can you be labouring? can they be labouring?
Perfeito
can I have laboured? can you have laboured? can he have laboured? can we have laboured? can you have laboured? can they have laboured?
Perfeito com V-ing
can I have been labouring? can you have been labouring? can he have been labouring? can we have been labouring? can you have been labouring? can they have been labouring?
Forma interro-Negação
Forma simple
can I not labour? can you not labour? can he not labour? can we not labour? can you not labour? can they not labour?
Forma com V-ing
can I not be labouring? can you not be labouring? can he not be labouring? can we not be labouring? can you not be labouring? can they not be labouring?
Perfeito
can I not have laboured? can you not have laboured? can he not have laboured? can we not have laboured? can you not have laboured? can they not have laboured?
Perfeito com V-ing
can I not have been labouring? can you not have been labouring? can he not have been labouring? can we not have been labouring? can you not have been labouring? can they not have been labouring?