Conjugación del verbo inglés
COULD SEROTYPE

Verbo regular: serotype - serotyped - serotyped

Afirmación

Forma simple	Forma con V-ing
I could serotype you could serotype he could serotype we could serotype you could serotype they could serotype	I could be serotyping you could be serotyping he could be serotyping we could be serotyping you could be serotyping they could be serotyping
Perfecto	Perfecto con V-ing
I could have serotyped you could have serotyped he could have serotyped we could have serotyped you could have serotyped they could have serotyped	I could have been serotyping you could have been serotyping he could have been serotyping we could have been serotyping you could have been serotyping they could have been serotyping

Negación

Forma simple	Forma con V-ing
I couldn't serotype you couldn't serotype he couldn't serotype we couldn't serotype you couldn't serotype they couldn't serotype	I couldn't be serotyping you couldn't be serotyping he couldn't be serotyping we couldn't be serotyping you couldn't be serotyping they couldn't be serotyping
Perfecto	Perfecto con V-ing
I couldn't have serotyped you couldn't have serotyped he couldn't have serotyped we couldn't have serotyped you couldn't have serotyped they couldn't have serotyped	I couldn't have been serotyping you couldn't have been serotyping he couldn't have been serotyping we couldn't have been serotyping you couldn't have been serotyping they couldn't have been serotyping

Forma interrogativa

Forma simple	Forma con V-ing
could I serotype? could you serotype? could he serotype? could we serotype? could you serotype? could they serotype?	could I be serotyping? could you be serotyping? could he be serotyping? could we be serotyping? could you be serotyping? could they be serotyping?
Perfecto	Perfecto con V-ing
could I have serotyped? could you have serotyped? could he have serotyped? could we have serotyped? could you have serotyped? could they have serotyped?	could I have been serotyping? could you have been serotyping? could he have been serotyping? could we have been serotyping? could you have been serotyping? could they have been serotyping?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I serotype? couldn't you serotype? couldn't he serotype? couldn't we serotype? couldn't you serotype? couldn't they serotype?	couldn't I be serotyping? couldn't you be serotyping? couldn't he be serotyping? couldn't we be serotyping? couldn't you be serotyping? couldn't they be serotyping?
Perfecto	Perfecto con V-ing
couldn't I have serotyped? couldn't you have serotyped? couldn't he have serotyped? couldn't we have serotyped? couldn't you have serotyped? couldn't they have serotyped?	couldn't I have been serotyping? couldn't you have been serotyping? couldn't he have been serotyping? couldn't we have been serotyping? couldn't you have been serotyping? couldn't they have been serotyping?