can practise
Regular verb: practise - practised- practised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can practise
you can practise
she can practise
we can practise
you can practise
they can practise 	I can be practising
you can be practising
she can be practising
we can be practising
you can be practising
they can be practising	I can have practised
you can have practised
she 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
she 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 	Perfect 	V-ing perfect 	
I cannot practise
you cannot practise
she cannot practise
we cannot practise
you cannot practise
they cannot practise 	I cannot be practising
you cannot be practising
she cannot be practising
we cannot be practising
you cannot be practising
they cannot be practising	I cannot have practised
you cannot have practised
she cannot have practised
we cannot have practised
you cannot have practised
they cannot have practised	I cannot have been practising
you cannot have been practising
she cannot have been practising
we cannot have been practising
you cannot have been practising
they cannot have been practising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I practise?
can you practise?
can she practise?
can we practise?
can you practise?
can they practise? 	can I be practising?
can you be practising?
can she be practising?
can we be practising?
can you be practising?
can they be practising? 	can I have practised?
can you have practised?
can she 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 she 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 	Perfect 	V-ing perfect 	
can I not practise?
can you not practise?
can she not practise?
can we not practise?
can you not practise?
can they not practise? 	can I not be practising?
can you not be practising?
can she not be practising?
can we not be practising?
can you not be practising?
can they not be practising? 	can I not have practised?
can you not have practised?
can she not have practised?
can we not have practised?
can you not have practised?
can they not have practised? 	can I not have been practising?
can you not have been practising?
can she not have been practising?
can we not have been practising?
can you not have been practising?
can they not have been practising?