English verb conjugation
CAN LABOUR

Regular verb: labour - laboured - laboured

Affirmation

Simple form	V-ing form
I can labour you can labour he can labour we can labour you can labour they can labour	I can be labouring you can be labouring he can be labouring we can be labouring you can be labouring they can be labouring
Perfect	V-ing perfect
I can have laboured you can have laboured he can have laboured we can have laboured you can have laboured they can have laboured	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

Negation

Simple form	V-ing form
I can't labour you can't labour he can't labour we can't labour you can't labour they can't labour	I can't be labouring you can't be labouring he can't be labouring we can't be labouring you can't be labouring they can't be labouring
Perfect	V-ing perfect
I can't have laboured you can't have laboured he can't have laboured we can't have laboured you can't have laboured they can't have laboured	I can't have been labouring you can't have been labouring he can't have been labouring we can't have been labouring you can't have been labouring they can't have been labouring

Interrogative form

Simple form	V-ing form
can I labour? can you labour? can he labour? can we labour? can you labour? can they labour?	can I be labouring? can you be labouring? can he be labouring? can we be labouring? can you be labouring? can they be labouring?
Perfect	V-ing perfect
can I have laboured? can you have laboured? can he have laboured? can we have laboured? can you have laboured? can they have laboured?	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?

Interro-negative form

Simple form	V-ing form
can't I labour? can't you labour? can't he labour? can't we labour? can't you labour? can't they labour?	can't I be labouring? can't you be labouring? can't he be labouring? can't we be labouring? can't you be labouring? can't they be labouring?
Perfect	V-ing perfect
can't I have laboured? can't you have laboured? can't he have laboured? can't we have laboured? can't you have laboured? can't they have laboured?	can't I have been labouring? can't you have been labouring? can't he have been labouring? can't we have been labouring? can't you have been labouring? can't they have been labouring?