I could welcome you could welcome he could welcome we could welcome you could welcome they could welcome
Forma con V-ing
I could be welcoming you could be welcoming he could be welcoming we could be welcoming you could be welcoming they could be welcoming
Perfecto
I could have welcomed you could have welcomed he could have welcomed we could have welcomed you could have welcomed they could have welcomed
Perfecto con V-ing
I could have been welcoming you could have been welcoming he could have been welcoming we could have been welcoming you could have been welcoming they could have been welcoming
Negación
Forma simple
I couldn't welcome you couldn't welcome he couldn't welcome we couldn't welcome you couldn't welcome they couldn't welcome
Forma con V-ing
I couldn't be welcoming you couldn't be welcoming he couldn't be welcoming we couldn't be welcoming you couldn't be welcoming they couldn't be welcoming
Perfecto
I couldn't have welcomed you couldn't have welcomed he couldn't have welcomed we couldn't have welcomed you couldn't have welcomed they couldn't have welcomed
Perfecto con V-ing
I couldn't have been welcoming you couldn't have been welcoming he couldn't have been welcoming we couldn't have been welcoming you couldn't have been welcoming they couldn't have been welcoming
Forma interrogativa
Forma simple
could I welcome? could you welcome? could he welcome? could we welcome? could you welcome? could they welcome?
Forma con V-ing
could I be welcoming? could you be welcoming? could he be welcoming? could we be welcoming? could you be welcoming? could they be welcoming?
Perfecto
could I have welcomed? could you have welcomed? could he have welcomed? could we have welcomed? could you have welcomed? could they have welcomed?
Perfecto con V-ing
could I have been welcoming? could you have been welcoming? could he have been welcoming? could we have been welcoming? could you have been welcoming? could they have been welcoming?
Forma interro-negativa
Forma simple
couldn't I welcome? couldn't you welcome? couldn't he welcome? couldn't we welcome? couldn't you welcome? couldn't they welcome?
Forma con V-ing
couldn't I be welcoming? couldn't you be welcoming? couldn't he be welcoming? couldn't we be welcoming? couldn't you be welcoming? couldn't they be welcoming?
Perfecto
couldn't I have welcomed? couldn't you have welcomed? couldn't he have welcomed? couldn't we have welcomed? couldn't you have welcomed? couldn't they have welcomed?
Perfecto con V-ing
couldn't I have been welcoming? couldn't you have been welcoming? couldn't he have been welcoming? couldn't we have been welcoming? couldn't you have been welcoming? couldn't they have been welcoming?