Regular verb: butterfly - butterflied - butterflied
Simple form | V-ing form |
I must butterfly you must butterfly she must butterfly we must butterfly you must butterfly they must butterfly | I must be butterflying you must be butterflying she must be butterflying we must be butterflying you must be butterflying they must be butterflying |
Perfect | V-ing perfect |
I must have butterflied you must have butterflied she must have butterflied we must have butterflied you must have butterflied they must have butterflied | I must have been butterflying you must have been butterflying she must have been butterflying we must have been butterflying you must have been butterflying they must have been butterflying |
Simple form | V-ing form |
I must not butterfly you must not butterfly she must not butterfly we must not butterfly you must not butterfly they must not butterfly | I must not be butterflying you must not be butterflying she must not be butterflying we must not be butterflying you must not be butterflying they must not be butterflying |
Perfect | V-ing perfect |
I must not have butterflied you must not have butterflied she must not have butterflied we must not have butterflied you must not have butterflied they must not have butterflied | I must not have been butterflying you must not have been butterflying she must not have been butterflying we must not have been butterflying you must not have been butterflying they must not have been butterflying |
Simple form | V-ing form |
must I butterfly? must you butterfly? must she butterfly? must we butterfly? must you butterfly? must they butterfly? | must I be butterflying? must you be butterflying? must she be butterflying? must we be butterflying? must you be butterflying? must they be butterflying? |
Perfect | V-ing perfect |
must I have butterflied? must you have butterflied? must she have butterflied? must we have butterflied? must you have butterflied? must they have butterflied? | must I have been butterflying? must you have been butterflying? must she have been butterflying? must we have been butterflying? must you have been butterflying? must they have been butterflying? |
Simple form | V-ing form |
must I not butterfly? must you not butterfly? must she not butterfly? must we not butterfly? must you not butterfly? must they not butterfly? | must I not be butterflying? must you not be butterflying? must she not be butterflying? must we not be butterflying? must you not be butterflying? must they not be butterflying? |
Perfect | V-ing perfect |
must I not have butterflied? must you not have butterflied? must she not have butterflied? must we not have butterflied? must you not have butterflied? must they not have butterflied? | must I not have been butterflying? must you not have been butterflying? must she not have been butterflying? must we not have been butterflying? must you not have been butterflying? must they not have been butterflying? |