may underprop
Verbe régulier : underprop - underproped- underproped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may underprop
you may underprop
he may underprop
we may underprop
you may underprop
they may underprop 	I may be underproping
you may be underproping
he may be underproping
we may be underproping
you may be underproping
they may be underproping	I may have underproped
you may have underproped
he may have underproped
we may have underproped
you may have underproped
they may have underproped	I may have been underproping
you may have been underproping
he may have been underproping
we may have been underproping
you may have been underproping
they may have been underproping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not underprop
you may not underprop
he may not underprop
we may not underprop
you may not underprop
they may not underprop 	I may not be underproping
you may not be underproping
he may not be underproping
we may not be underproping
you may not be underproping
they may not be underproping	I may not have underproped
you may not have underproped
he may not have underproped
we may not have underproped
you may not have underproped
they may not have underproped	I may not have been underproping
you may not have been underproping
he may not have been underproping
we may not have been underproping
you may not have been underproping
they may not have been underproping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I underprop?
may you underprop?
may he underprop?
may we underprop?
may you underprop?
may they underprop? 	may I be underproping?
may you be underproping?
may he be underproping?
may we be underproping?
may you be underproping?
may they be underproping? 	may I have underproped?
may you have underproped?
may he have underproped?
may we have underproped?
may you have underproped?
may they have underproped? 	may I have been underproping?
may you have been underproping?
may he have been underproping?
may we have been underproping?
may you have been underproping?
may they have been underproping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not underprop?
may you not underprop?
may he not underprop?
may we not underprop?
may you not underprop?
may they not underprop? 	may I not be underproping?
may you not be underproping?
may he not be underproping?
may we not be underproping?
may you not be underproping?
may they not be underproping? 	may I not have underproped?
may you not have underproped?
may he not have underproped?
may we not have underproped?
may you not have underproped?
may they not have underproped? 	may I not have been underproping?
may you not have been underproping?
may he not have been underproping?
may we not have been underproping?
may you not have been underproping?
may they not have been underproping?