can topple
Verbo regular: topple - toppled- toppled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can topple
you can topple
he can topple
we can topple
you can topple
they can topple 	I can be toppling
you can be toppling
he can be toppling
we can be toppling
you can be toppling
they can be toppling	I can have toppled
you can have toppled
he can have toppled
we can have toppled
you can have toppled
they can have toppled	I can have been toppling
you can have been toppling
he can have been toppling
we can have been toppling
you can have been toppling
they can have been toppling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't topple
you can't topple
he can't topple
we can't topple
you can't topple
they can't topple 	I can't be toppling
you can't be toppling
he can't be toppling
we can't be toppling
you can't be toppling
they can't be toppling	I can't have toppled
you can't have toppled
he can't have toppled
we can't have toppled
you can't have toppled
they can't have toppled	I can't have been toppling
you can't have been toppling
he can't have been toppling
we can't have been toppling
you can't have been toppling
they can't have been toppling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I topple?
can you topple?
can he topple?
can we topple?
can you topple?
can they topple? 	can I be toppling?
can you be toppling?
can he be toppling?
can we be toppling?
can you be toppling?
can they be toppling? 	can I have toppled?
can you have toppled?
can he have toppled?
can we have toppled?
can you have toppled?
can they have toppled? 	can I have been toppling?
can you have been toppling?
can he have been toppling?
can we have been toppling?
can you have been toppling?
can they have been toppling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I topple?
can't you topple?
can't he topple?
can't we topple?
can't you topple?
can't they topple? 	can't I be toppling?
can't you be toppling?
can't he be toppling?
can't we be toppling?
can't you be toppling?
can't they be toppling? 	can't I have toppled?
can't you have toppled?
can't he have toppled?
can't we have toppled?
can't you have toppled?
can't they have toppled? 	can't I have been toppling?
can't you have been toppling?
can't he have been toppling?
can't we have been toppling?
can't you have been toppling?
can't they have been toppling?