Conjugación del verbo inglés
MAY RIFF

Verbo regular: riff - riffed - riffed

Afirmación

Forma simple	Forma con V-ing
I may riff you may riff he may riff we may riff you may riff they may riff	I may be riffing you may be riffing he may be riffing we may be riffing you may be riffing they may be riffing
Perfecto	Perfecto con V-ing
I may have riffed you may have riffed he may have riffed we may have riffed you may have riffed they may have riffed	I may have been riffing you may have been riffing he may have been riffing we may have been riffing you may have been riffing they may have been riffing

Negación

Forma simple	Forma con V-ing
I may not riff you may not riff he may not riff we may not riff you may not riff they may not riff	I may not be riffing you may not be riffing he may not be riffing we may not be riffing you may not be riffing they may not be riffing
Perfecto	Perfecto con V-ing
I may not have riffed you may not have riffed he may not have riffed we may not have riffed you may not have riffed they may not have riffed	I may not have been riffing you may not have been riffing he may not have been riffing we may not have been riffing you may not have been riffing they may not have been riffing

Forma interrogativa

Forma simple	Forma con V-ing
may I riff? may you riff? may he riff? may we riff? may you riff? may they riff?	may I be riffing? may you be riffing? may he be riffing? may we be riffing? may you be riffing? may they be riffing?
Perfecto	Perfecto con V-ing
may I have riffed? may you have riffed? may he have riffed? may we have riffed? may you have riffed? may they have riffed?	may I have been riffing? may you have been riffing? may he have been riffing? may we have been riffing? may you have been riffing? may they have been riffing?

Forma interro-negativa

Forma simple	Forma con V-ing
may I not riff? may you not riff? may he not riff? may we not riff? may you not riff? may they not riff?	may I not be riffing? may you not be riffing? may he not be riffing? may we not be riffing? may you not be riffing? may they not be riffing?
Perfecto	Perfecto con V-ing
may I not have riffed? may you not have riffed? may he not have riffed? may we not have riffed? may you not have riffed? may they not have riffed?	may I not have been riffing? may you not have been riffing? may he not have been riffing? may we not have been riffing? may you not have been riffing? may they not have been riffing?