I may pinpoint you may pinpoint he may pinpoint we may pinpoint you may pinpoint they may pinpoint
V-ing form
I may be pinpointing you may be pinpointing he may be pinpointing we may be pinpointing you may be pinpointing they may be pinpointing
Perfect
I may have pinpointed you may have pinpointed he may have pinpointed we may have pinpointed you may have pinpointed they may have pinpointed
V-ing perfect
I may have been pinpointing you may have been pinpointing he may have been pinpointing we may have been pinpointing you may have been pinpointing they may have been pinpointing
Negation
Simple form
I mayn't pinpoint you mayn't pinpoint he mayn't pinpoint we mayn't pinpoint you mayn't pinpoint they mayn't pinpoint
V-ing form
I mayn't be pinpointing you mayn't be pinpointing he mayn't be pinpointing we mayn't be pinpointing you mayn't be pinpointing they mayn't be pinpointing
Perfect
I mayn't have pinpointed you mayn't have pinpointed he mayn't have pinpointed we mayn't have pinpointed you mayn't have pinpointed they mayn't have pinpointed
V-ing perfect
I mayn't have been pinpointing you mayn't have been pinpointing he mayn't have been pinpointing we mayn't have been pinpointing you mayn't have been pinpointing they mayn't have been pinpointing
Interrogative form
Simple form
may I pinpoint? may you pinpoint? may he pinpoint? may we pinpoint? may you pinpoint? may they pinpoint?
V-ing form
may I be pinpointing? may you be pinpointing? may he be pinpointing? may we be pinpointing? may you be pinpointing? may they be pinpointing?
Perfect
may I have pinpointed? may you have pinpointed? may he have pinpointed? may we have pinpointed? may you have pinpointed? may they have pinpointed?
V-ing perfect
may I have been pinpointing? may you have been pinpointing? may he have been pinpointing? may we have been pinpointing? may you have been pinpointing? may they have been pinpointing?
Interro-negative form
Simple form
mayn't I pinpoint? mayn't you pinpoint? mayn't he pinpoint? mayn't we pinpoint? mayn't you pinpoint? mayn't they pinpoint?
V-ing form
mayn't I be pinpointing? mayn't you be pinpointing? mayn't he be pinpointing? mayn't we be pinpointing? mayn't you be pinpointing? mayn't they be pinpointing?
Perfect
mayn't I have pinpointed? mayn't you have pinpointed? mayn't he have pinpointed? mayn't we have pinpointed? mayn't you have pinpointed? mayn't they have pinpointed?
V-ing perfect
mayn't I have been pinpointing? mayn't you have been pinpointing? mayn't he have been pinpointing? mayn't we have been pinpointing? mayn't you have been pinpointing? mayn't they have been pinpointing?