Conjugación del verbo inglés
CAN RESEARCH

Verbo regular: research - researched - researched

Afirmación

Forma simple	Forma con V-ing
I can research you can research he can research we can research you can research they can research	I can be researching you can be researching he can be researching we can be researching you can be researching they can be researching
Perfecto	Perfecto con V-ing
I can have researched you can have researched he can have researched we can have researched you can have researched they can have researched	I can have been researching you can have been researching he can have been researching we can have been researching you can have been researching they can have been researching

Negación

Forma simple	Forma con V-ing
I can't research you can't research he can't research we can't research you can't research they can't research	I can't be researching you can't be researching he can't be researching we can't be researching you can't be researching they can't be researching
Perfecto	Perfecto con V-ing
I can't have researched you can't have researched he can't have researched we can't have researched you can't have researched they can't have researched	I can't have been researching you can't have been researching he can't have been researching we can't have been researching you can't have been researching they can't have been researching

Forma interrogativa

Forma simple	Forma con V-ing
can I research? can you research? can he research? can we research? can you research? can they research?	can I be researching? can you be researching? can he be researching? can we be researching? can you be researching? can they be researching?
Perfecto	Perfecto con V-ing
can I have researched? can you have researched? can he have researched? can we have researched? can you have researched? can they have researched?	can I have been researching? can you have been researching? can he have been researching? can we have been researching? can you have been researching? can they have been researching?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I research? can't you research? can't he research? can't we research? can't you research? can't they research?	can't I be researching? can't you be researching? can't he be researching? can't we be researching? can't you be researching? can't they be researching?
Perfecto	Perfecto con V-ing
can't I have researched? can't you have researched? can't he have researched? can't we have researched? can't you have researched? can't they have researched?	can't I have been researching? can't you have been researching? can't he have been researching? can't we have been researching? can't you have been researching? can't they have been researching?