English verb conjugation
COULD PREVISIT

Regular verb: previsit - previsited - previsited

Affirmation

Simple form	V-ing form
I could previsit you could previsit he could previsit we could previsit you could previsit they could previsit	I could be previsiting you could be previsiting he could be previsiting we could be previsiting you could be previsiting they could be previsiting
Perfect	V-ing perfect
I could have previsited you could have previsited he could have previsited we could have previsited you could have previsited they could have previsited	I could have been previsiting you could have been previsiting he could have been previsiting we could have been previsiting you could have been previsiting they could have been previsiting

Negation

Simple form	V-ing form
I couldn't previsit you couldn't previsit he couldn't previsit we couldn't previsit you couldn't previsit they couldn't previsit	I couldn't be previsiting you couldn't be previsiting he couldn't be previsiting we couldn't be previsiting you couldn't be previsiting they couldn't be previsiting
Perfect	V-ing perfect
I couldn't have previsited you couldn't have previsited he couldn't have previsited we couldn't have previsited you couldn't have previsited they couldn't have previsited	I couldn't have been previsiting you couldn't have been previsiting he couldn't have been previsiting we couldn't have been previsiting you couldn't have been previsiting they couldn't have been previsiting

Interrogative form

Simple form	V-ing form
could I previsit? could you previsit? could he previsit? could we previsit? could you previsit? could they previsit?	could I be previsiting? could you be previsiting? could he be previsiting? could we be previsiting? could you be previsiting? could they be previsiting?
Perfect	V-ing perfect
could I have previsited? could you have previsited? could he have previsited? could we have previsited? could you have previsited? could they have previsited?	could I have been previsiting? could you have been previsiting? could he have been previsiting? could we have been previsiting? could you have been previsiting? could they have been previsiting?

Interro-negative form

Simple form	V-ing form
couldn't I previsit? couldn't you previsit? couldn't he previsit? couldn't we previsit? couldn't you previsit? couldn't they previsit?	couldn't I be previsiting? couldn't you be previsiting? couldn't he be previsiting? couldn't we be previsiting? couldn't you be previsiting? couldn't they be previsiting?
Perfect	V-ing perfect
couldn't I have previsited? couldn't you have previsited? couldn't he have previsited? couldn't we have previsited? couldn't you have previsited? couldn't they have previsited?	couldn't I have been previsiting? couldn't you have been previsiting? couldn't he have been previsiting? couldn't we have been previsiting? couldn't you have been previsiting? couldn't they have been previsiting?