I may quote you may quote he may quote we may quote you may quote they may quote
V-ing form
I may be quoting you may be quoting he may be quoting we may be quoting you may be quoting they may be quoting
Perfect
I may have quoted you may have quoted he may have quoted we may have quoted you may have quoted they may have quoted
V-ing perfect
I may have been quoting you may have been quoting he may have been quoting we may have been quoting you may have been quoting they may have been quoting
Negation
Simple form
I may not quote you may not quote he may not quote we may not quote you may not quote they may not quote
V-ing form
I may not be quoting you may not be quoting he may not be quoting we may not be quoting you may not be quoting they may not be quoting
Perfect
I may not have quoted you may not have quoted he may not have quoted we may not have quoted you may not have quoted they may not have quoted
V-ing perfect
I may not have been quoting you may not have been quoting he may not have been quoting we may not have been quoting you may not have been quoting they may not have been quoting
Interrogative form
Simple form
may I quote? may you quote? may he quote? may we quote? may you quote? may they quote?
V-ing form
may I be quoting? may you be quoting? may he be quoting? may we be quoting? may you be quoting? may they be quoting?
Perfect
may I have quoted? may you have quoted? may he have quoted? may we have quoted? may you have quoted? may they have quoted?
V-ing perfect
may I have been quoting? may you have been quoting? may he have been quoting? may we have been quoting? may you have been quoting? may they have been quoting?
Interro-negative form
Simple form
may I not quote? may you not quote? may he not quote? may we not quote? may you not quote? may they not quote?
V-ing form
may I not be quoting? may you not be quoting? may he not be quoting? may we not be quoting? may you not be quoting? may they not be quoting?
Perfect
may I not have quoted? may you not have quoted? may he not have quoted? may we not have quoted? may you not have quoted? may they not have quoted?
V-ing perfect
may I not have been quoting? may you not have been quoting? may he not have been quoting? may we not have been quoting? may you not have been quoting? may they not have been quoting?