Conjugación del verbo inglés
COULD TRACE

Verbo regular: trace - traced - traced

Afirmación

Forma simple	Forma con V-ing
I could trace you could trace she could trace we could trace you could trace they could trace	I could be tracing you could be tracing she could be tracing we could be tracing you could be tracing they could be tracing
Perfecto	Perfecto con V-ing
I could have traced you could have traced she could have traced we could have traced you could have traced they could have traced	I could have been tracing you could have been tracing she could have been tracing we could have been tracing you could have been tracing they could have been tracing

Negación

Forma simple	Forma con V-ing
I couldn't trace you couldn't trace she couldn't trace we couldn't trace you couldn't trace they couldn't trace	I couldn't be tracing you couldn't be tracing she couldn't be tracing we couldn't be tracing you couldn't be tracing they couldn't be tracing
Perfecto	Perfecto con V-ing
I couldn't have traced you couldn't have traced she couldn't have traced we couldn't have traced you couldn't have traced they couldn't have traced	I couldn't have been tracing you couldn't have been tracing she couldn't have been tracing we couldn't have been tracing you couldn't have been tracing they couldn't have been tracing

Forma interrogativa

Forma simple	Forma con V-ing
could I trace? could you trace? could she trace? could we trace? could you trace? could they trace?	could I be tracing? could you be tracing? could she be tracing? could we be tracing? could you be tracing? could they be tracing?
Perfecto	Perfecto con V-ing
could I have traced? could you have traced? could she have traced? could we have traced? could you have traced? could they have traced?	could I have been tracing? could you have been tracing? could she have been tracing? could we have been tracing? could you have been tracing? could they have been tracing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I trace? couldn't you trace? couldn't she trace? couldn't we trace? couldn't you trace? couldn't they trace?	couldn't I be tracing? couldn't you be tracing? couldn't she be tracing? couldn't we be tracing? couldn't you be tracing? couldn't they be tracing?
Perfecto	Perfecto con V-ing
couldn't I have traced? couldn't you have traced? couldn't she have traced? couldn't we have traced? couldn't you have traced? couldn't they have traced?	couldn't I have been tracing? couldn't you have been tracing? couldn't she have been tracing? couldn't we have been tracing? couldn't you have been tracing? couldn't they have been tracing?