can tip
Verbo regular: tip - tipped- tipped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can tip
you can tip
he can tip
we can tip
you can tip
they can tip 	I can be tipping
you can be tipping
he can be tipping
we can be tipping
you can be tipping
they can be tipping	I can have tipped
you can have tipped
he can have tipped
we can have tipped
you can have tipped
they can have tipped	I can have been tipping
you can have been tipping
he can have been tipping
we can have been tipping
you can have been tipping
they can have been tipping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't tip
you can't tip
he can't tip
we can't tip
you can't tip
they can't tip 	I can't be tipping
you can't be tipping
he can't be tipping
we can't be tipping
you can't be tipping
they can't be tipping	I can't have tipped
you can't have tipped
he can't have tipped
we can't have tipped
you can't have tipped
they can't have tipped	I can't have been tipping
you can't have been tipping
he can't have been tipping
we can't have been tipping
you can't have been tipping
they can't have been tipping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I tip?
can you tip?
can he tip?
can we tip?
can you tip?
can they tip? 	can I be tipping?
can you be tipping?
can he be tipping?
can we be tipping?
can you be tipping?
can they be tipping? 	can I have tipped?
can you have tipped?
can he have tipped?
can we have tipped?
can you have tipped?
can they have tipped? 	can I have been tipping?
can you have been tipping?
can he have been tipping?
can we have been tipping?
can you have been tipping?
can they have been tipping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I tip?
can't you tip?
can't he tip?
can't we tip?
can't you tip?
can't they tip? 	can't I be tipping?
can't you be tipping?
can't he be tipping?
can't we be tipping?
can't you be tipping?
can't they be tipping? 	can't I have tipped?
can't you have tipped?
can't he have tipped?
can't we have tipped?
can't you have tipped?
can't they have tipped? 	can't I have been tipping?
can't you have been tipping?
can't he have been tipping?
can't we have been tipping?
can't you have been tipping?
can't they have been tipping?