English verb conjugation
CAN MULL

Regular verb: mull - mulled - mulled

Affirmation

Simple form	V-ing form
I can mull you can mull he can mull we can mull you can mull they can mull	I can be mulling you can be mulling he can be mulling we can be mulling you can be mulling they can be mulling
Perfect	V-ing perfect
I can have mulled you can have mulled he can have mulled we can have mulled you can have mulled they can have mulled	I can have been mulling you can have been mulling he can have been mulling we can have been mulling you can have been mulling they can have been mulling

Negation

Simple form	V-ing form
I cannot mull you cannot mull he cannot mull we cannot mull you cannot mull they cannot mull	I cannot be mulling you cannot be mulling he cannot be mulling we cannot be mulling you cannot be mulling they cannot be mulling
Perfect	V-ing perfect
I cannot have mulled you cannot have mulled he cannot have mulled we cannot have mulled you cannot have mulled they cannot have mulled	I cannot have been mulling you cannot have been mulling he cannot have been mulling we cannot have been mulling you cannot have been mulling they cannot have been mulling

Interrogative form

Simple form	V-ing form
can I mull? can you mull? can he mull? can we mull? can you mull? can they mull?	can I be mulling? can you be mulling? can he be mulling? can we be mulling? can you be mulling? can they be mulling?
Perfect	V-ing perfect
can I have mulled? can you have mulled? can he have mulled? can we have mulled? can you have mulled? can they have mulled?	can I have been mulling? can you have been mulling? can he have been mulling? can we have been mulling? can you have been mulling? can they have been mulling?

Interro-negative form

Simple form	V-ing form
can I not mull? can you not mull? can he not mull? can we not mull? can you not mull? can they not mull?	can I not be mulling? can you not be mulling? can he not be mulling? can we not be mulling? can you not be mulling? can they not be mulling?
Perfect	V-ing perfect
can I not have mulled? can you not have mulled? can he not have mulled? can we not have mulled? can you not have mulled? can they not have mulled?	can I not have been mulling? can you not have been mulling? can he not have been mulling? can we not have been mulling? can you not have been mulling? can they not have been mulling?