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