Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can flea market you can flea market she can flea market we can flea market you can flea market they can flea market
V-ing form
I can be flea marketing you can be flea marketing she can be flea marketing we can be flea marketing you can be flea marketing they can be flea marketing
Perfect
I can have flea marketed you can have flea marketed she can have flea marketed we can have flea marketed you can have flea marketed they can have flea marketed
V-ing perfect
I can have been flea marketing you can have been flea marketing she can have been flea marketing we can have been flea marketing you can have been flea marketing they can have been flea marketing
Negation
Simple form
I cannot flea market you cannot flea market she cannot flea market we cannot flea market you cannot flea market they cannot flea market
V-ing form
I cannot be flea marketing you cannot be flea marketing she cannot be flea marketing we cannot be flea marketing you cannot be flea marketing they cannot be flea marketing
Perfect
I cannot have flea marketed you cannot have flea marketed she cannot have flea marketed we cannot have flea marketed you cannot have flea marketed they cannot have flea marketed
V-ing perfect
I cannot have been flea marketing you cannot have been flea marketing she cannot have been flea marketing we cannot have been flea marketing you cannot have been flea marketing they cannot have been flea marketing
Interrogative form
Simple form
can I flea market? can you flea market? can she flea market? can we flea market? can you flea market? can they flea market?
V-ing form
can I be flea marketing? can you be flea marketing? can she be flea marketing? can we be flea marketing? can you be flea marketing? can they be flea marketing?
Perfect
can I have flea marketed? can you have flea marketed? can she have flea marketed? can we have flea marketed? can you have flea marketed? can they have flea marketed?
V-ing perfect
can I have been flea marketing? can you have been flea marketing? can she have been flea marketing? can we have been flea marketing? can you have been flea marketing? can they have been flea marketing?
Interro-negative form
Simple form
can I not flea market? can you not flea market? can she not flea market? can we not flea market? can you not flea market? can they not flea market?
V-ing form
can I not be flea marketing? can you not be flea marketing? can she not be flea marketing? can we not be flea marketing? can you not be flea marketing? can they not be flea marketing?
Perfect
can I not have flea marketed? can you not have flea marketed? can she not have flea marketed? can we not have flea marketed? can you not have flea marketed? can they not have flea marketed?
V-ing perfect
can I not have been flea marketing? can you not have been flea marketing? can she not have been flea marketing? can we not have been flea marketing? can you not have been flea marketing? can they not have been flea marketing?