can trip
Verbo regular: trip - tripped- tripped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can trip
you can trip
he can trip
we can trip
you can trip
they can trip 	I can be tripping
you can be tripping
he can be tripping
we can be tripping
you can be tripping
they can be tripping	I can have tripped
you can have tripped
he can have tripped
we can have tripped
you can have tripped
they can have tripped	I can have been tripping
you can have been tripping
he can have been tripping
we can have been tripping
you can have been tripping
they can have been tripping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot trip
you cannot trip
he cannot trip
we cannot trip
you cannot trip
they cannot trip 	I cannot be tripping
you cannot be tripping
he cannot be tripping
we cannot be tripping
you cannot be tripping
they cannot be tripping	I cannot have tripped
you cannot have tripped
he cannot have tripped
we cannot have tripped
you cannot have tripped
they cannot have tripped	I cannot have been tripping
you cannot have been tripping
he cannot have been tripping
we cannot have been tripping
you cannot have been tripping
they cannot have been tripping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I trip?
can you trip?
can he trip?
can we trip?
can you trip?
can they trip? 	can I be tripping?
can you be tripping?
can he be tripping?
can we be tripping?
can you be tripping?
can they be tripping? 	can I have tripped?
can you have tripped?
can he have tripped?
can we have tripped?
can you have tripped?
can they have tripped? 	can I have been tripping?
can you have been tripping?
can he have been tripping?
can we have been tripping?
can you have been tripping?
can they have been tripping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not trip?
can you not trip?
can he not trip?
can we not trip?
can you not trip?
can they not trip? 	can I not be tripping?
can you not be tripping?
can he not be tripping?
can we not be tripping?
can you not be tripping?
can they not be tripping? 	can I not have tripped?
can you not have tripped?
can he not have tripped?
can we not have tripped?
can you not have tripped?
can they not have tripped? 	can I not have been tripping?
can you not have been tripping?
can he not have been tripping?
can we not have been tripping?
can you not have been tripping?
can they not have been tripping?