English verb conjugation
COULD MULL

Regular verb: mull - mulled - mulled

Affirmation

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

Negation

Simple form	V-ing form
I couldn't mull you couldn't mull she couldn't mull we couldn't mull you couldn't mull they couldn't mull	I couldn't be mulling you couldn't be mulling she couldn't be mulling we couldn't be mulling you couldn't be mulling they couldn't be mulling
Perfect	V-ing perfect
I couldn't have mulled you couldn't have mulled she couldn't have mulled we couldn't have mulled you couldn't have mulled they couldn't have mulled	I couldn't have been mulling you couldn't have been mulling she couldn't have been mulling we couldn't have been mulling you couldn't have been mulling they couldn't have been mulling

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I mull? couldn't you mull? couldn't she mull? couldn't we mull? couldn't you mull? couldn't they mull?	couldn't I be mulling? couldn't you be mulling? couldn't she be mulling? couldn't we be mulling? couldn't you be mulling? couldn't they be mulling?
Perfect	V-ing perfect
couldn't I have mulled? couldn't you have mulled? couldn't she have mulled? couldn't we have mulled? couldn't you have mulled? couldn't they have mulled?	couldn't I have been mulling? couldn't you have been mulling? couldn't she have been mulling? couldn't we have been mulling? couldn't you have been mulling? couldn't they have been mulling?