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