English verb conjugation
CAN PRACTISE

Regular verb: practise - practised - practised

Affirmation

Simple form	V-ing form
I can practise you can practise he can practise we can practise you can practise they can practise	I can be practising you can be practising he can be practising we can be practising you can be practising they can be practising
Perfect	V-ing perfect
I can have practised you can have practised he can have practised we can have practised you can have practised they can have practised	I can have been practising you can have been practising he can have been practising we can have been practising you can have been practising they can have been practising

Negation

Simple form	V-ing form
I can't practise you can't practise he can't practise we can't practise you can't practise they can't practise	I can't be practising you can't be practising he can't be practising we can't be practising you can't be practising they can't be practising
Perfect	V-ing perfect
I can't have practised you can't have practised he can't have practised we can't have practised you can't have practised they can't have practised	I can't have been practising you can't have been practising he can't have been practising we can't have been practising you can't have been practising they can't have been practising

Interrogative form

Simple form	V-ing form
can I practise? can you practise? can he practise? can we practise? can you practise? can they practise?	can I be practising? can you be practising? can he be practising? can we be practising? can you be practising? can they be practising?
Perfect	V-ing perfect
can I have practised? can you have practised? can he have practised? can we have practised? can you have practised? can they have practised?	can I have been practising? can you have been practising? can he have been practising? can we have been practising? can you have been practising? can they have been practising?

Interro-negative form

Simple form	V-ing form
can't I practise? can't you practise? can't he practise? can't we practise? can't you practise? can't they practise?	can't I be practising? can't you be practising? can't he be practising? can't we be practising? can't you be practising? can't they be practising?
Perfect	V-ing perfect
can't I have practised? can't you have practised? can't he have practised? can't we have practised? can't you have practised? can't they have practised?	can't I have been practising? can't you have been practising? can't he have been practising? can't we have been practising? can't you have been practising? can't they have been practising?