I can seesaw you can seesaw he can seesaw we can seesaw you can seesaw they can seesaw
Forma con V-ing
I can be seesawing you can be seesawing he can be seesawing we can be seesawing you can be seesawing they can be seesawing
Perfecto
I can have seesawed you can have seesawed he can have seesawed we can have seesawed you can have seesawed they can have seesawed
Perfecto con V-ing
I can have been seesawing you can have been seesawing he can have been seesawing we can have been seesawing you can have been seesawing they can have been seesawing
Negación
Forma simple
I can't seesaw you can't seesaw he can't seesaw we can't seesaw you can't seesaw they can't seesaw
Forma con V-ing
I can't be seesawing you can't be seesawing he can't be seesawing we can't be seesawing you can't be seesawing they can't be seesawing
Perfecto
I can't have seesawed you can't have seesawed he can't have seesawed we can't have seesawed you can't have seesawed they can't have seesawed
Perfecto con V-ing
I can't have been seesawing you can't have been seesawing he can't have been seesawing we can't have been seesawing you can't have been seesawing they can't have been seesawing
Forma interrogativa
Forma simple
can I seesaw? can you seesaw? can he seesaw? can we seesaw? can you seesaw? can they seesaw?
Forma con V-ing
can I be seesawing? can you be seesawing? can he be seesawing? can we be seesawing? can you be seesawing? can they be seesawing?
Perfecto
can I have seesawed? can you have seesawed? can he have seesawed? can we have seesawed? can you have seesawed? can they have seesawed?
Perfecto con V-ing
can I have been seesawing? can you have been seesawing? can he have been seesawing? can we have been seesawing? can you have been seesawing? can they have been seesawing?
Forma interro-negativa
Forma simple
can't I seesaw? can't you seesaw? can't he seesaw? can't we seesaw? can't you seesaw? can't they seesaw?
Forma con V-ing
can't I be seesawing? can't you be seesawing? can't he be seesawing? can't we be seesawing? can't you be seesawing? can't they be seesawing?
Perfecto
can't I have seesawed? can't you have seesawed? can't he have seesawed? can't we have seesawed? can't you have seesawed? can't they have seesawed?
Perfecto con V-ing
can't I have been seesawing? can't you have been seesawing? can't he have been seesawing? can't we have been seesawing? can't you have been seesawing? can't they have been seesawing?