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