may contribute
Verbe régulier : contribute - contributed- contributed
Traduction française : donner - contribuer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may contribute
you may contribute
she may contribute
we may contribute
you may contribute
they may contribute 	I may be contributing
you may be contributing
she may be contributing
we may be contributing
you may be contributing
they may be contributing	I may have contributed
you may have contributed
she may have contributed
we may have contributed
you may have contributed
they may have contributed	I may have been contributing
you may have been contributing
she may have been contributing
we may have been contributing
you may have been contributing
they may have been contributing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not contribute
you may not contribute
she may not contribute
we may not contribute
you may not contribute
they may not contribute 	I may not be contributing
you may not be contributing
she may not be contributing
we may not be contributing
you may not be contributing
they may not be contributing	I may not have contributed
you may not have contributed
she may not have contributed
we may not have contributed
you may not have contributed
they may not have contributed	I may not have been contributing
you may not have been contributing
she may not have been contributing
we may not have been contributing
you may not have been contributing
they may not have been contributing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I contribute?
may you contribute?
may she contribute?
may we contribute?
may you contribute?
may they contribute? 	may I be contributing?
may you be contributing?
may she be contributing?
may we be contributing?
may you be contributing?
may they be contributing? 	may I have contributed?
may you have contributed?
may she have contributed?
may we have contributed?
may you have contributed?
may they have contributed? 	may I have been contributing?
may you have been contributing?
may she have been contributing?
may we have been contributing?
may you have been contributing?
may they have been contributing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not contribute?
may you not contribute?
may she not contribute?
may we not contribute?
may you not contribute?
may they not contribute? 	may I not be contributing?
may you not be contributing?
may she not be contributing?
may we not be contributing?
may you not be contributing?
may they not be contributing? 	may I not have contributed?
may you not have contributed?
may she not have contributed?
may we not have contributed?
may you not have contributed?
may they not have contributed? 	may I not have been contributing?
may you not have been contributing?
may she not have been contributing?
may we not have been contributing?
may you not have been contributing?
may they not have been contributing?