should tip
Verbo regular: tip - tipped- tipped

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not tip
you should not tip
he should not tip
we should not tip
you should not tip
they should not tip 	I should not be tipping
you should not be tipping
he should not be tipping
we should not be tipping
you should not be tipping
they should not be tipping	I should not have tipped
you should not have tipped
he should not have tipped
we should not have tipped
you should not have tipped
they should not have tipped	I should not have been tipping
you should not have been tipping
he should not have been tipping
we should not have been tipping
you should not have been tipping
they should not have been tipping	

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

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