may proofread
Irregular verb: proofread - proofread- proofread

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may proofread
you may proofread
he may proofread
we may proofread
you may proofread
they may proofread 	I may be proofreading
you may be proofreading
he may be proofreading
we may be proofreading
you may be proofreading
they may be proofreading	I may have proofread
you may have proofread
he may have proofread
we may have proofread
you may have proofread
they may have proofread	I may have been proofreading
you may have been proofreading
he may have been proofreading
we may have been proofreading
you may have been proofreading
they may have been proofreading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't proofread
you mayn't proofread
he mayn't proofread
we mayn't proofread
you mayn't proofread
they mayn't proofread 	I mayn't be proofreading
you mayn't be proofreading
he mayn't be proofreading
we mayn't be proofreading
you mayn't be proofreading
they mayn't be proofreading	I mayn't have proofread
you mayn't have proofread
he mayn't have proofread
we mayn't have proofread
you mayn't have proofread
they mayn't have proofread	I mayn't have been proofreading
you mayn't have been proofreading
he mayn't have been proofreading
we mayn't have been proofreading
you mayn't have been proofreading
they mayn't have been proofreading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I proofread?
may you proofread?
may he proofread?
may we proofread?
may you proofread?
may they proofread? 	may I be proofreading?
may you be proofreading?
may he be proofreading?
may we be proofreading?
may you be proofreading?
may they be proofreading? 	may I have proofread?
may you have proofread?
may he have proofread?
may we have proofread?
may you have proofread?
may they have proofread? 	may I have been proofreading?
may you have been proofreading?
may he have been proofreading?
may we have been proofreading?
may you have been proofreading?
may they have been proofreading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I proofread?
mayn't you proofread?
mayn't he proofread?
mayn't we proofread?
mayn't you proofread?
mayn't they proofread? 	mayn't I be proofreading?
mayn't you be proofreading?
mayn't he be proofreading?
mayn't we be proofreading?
mayn't you be proofreading?
mayn't they be proofreading? 	mayn't I have proofread?
mayn't you have proofread?
mayn't he have proofread?
mayn't we have proofread?
mayn't you have proofread?
mayn't they have proofread? 	mayn't I have been proofreading?
mayn't you have been proofreading?
mayn't he have been proofreading?
mayn't we have been proofreading?
mayn't you have been proofreading?
mayn't they have been proofreading?