Conjugación del verbo inglés
COULD PREINSERT

Verbo regular: preinsert - preinserted - preinserted

Afirmación

Forma simple	Forma con V-ing
I could preinsert you could preinsert he could preinsert we could preinsert you could preinsert they could preinsert	I could be preinserting you could be preinserting he could be preinserting we could be preinserting you could be preinserting they could be preinserting
Perfecto	Perfecto con V-ing
I could have preinserted you could have preinserted he could have preinserted we could have preinserted you could have preinserted they could have preinserted	I could have been preinserting you could have been preinserting he could have been preinserting we could have been preinserting you could have been preinserting they could have been preinserting

Negación

Forma simple	Forma con V-ing
I could not preinsert you could not preinsert he could not preinsert we could not preinsert you could not preinsert they could not preinsert	I could not be preinserting you could not be preinserting he could not be preinserting we could not be preinserting you could not be preinserting they could not be preinserting
Perfecto	Perfecto con V-ing
I could not have preinserted you could not have preinserted he could not have preinserted we could not have preinserted you could not have preinserted they could not have preinserted	I could not have been preinserting you could not have been preinserting he could not have been preinserting we could not have been preinserting you could not have been preinserting they could not have been preinserting

Forma interrogativa

Forma simple	Forma con V-ing
could I preinsert? could you preinsert? could he preinsert? could we preinsert? could you preinsert? could they preinsert?	could I be preinserting? could you be preinserting? could he be preinserting? could we be preinserting? could you be preinserting? could they be preinserting?
Perfecto	Perfecto con V-ing
could I have preinserted? could you have preinserted? could he have preinserted? could we have preinserted? could you have preinserted? could they have preinserted?	could I have been preinserting? could you have been preinserting? could he have been preinserting? could we have been preinserting? could you have been preinserting? could they have been preinserting?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not preinsert? could you not preinsert? could he not preinsert? could we not preinsert? could you not preinsert? could they not preinsert?	could I not be preinserting? could you not be preinserting? could he not be preinserting? could we not be preinserting? could you not be preinserting? could they not be preinserting?
Perfecto	Perfecto con V-ing
could I not have preinserted? could you not have preinserted? could he not have preinserted? could we not have preinserted? could you not have preinserted? could they not have preinserted?	could I not have been preinserting? could you not have been preinserting? could he not have been preinserting? could we not have been preinserting? could you not have been preinserting? could they not have been preinserting?