I can retest you can retest he can retest we can retest you can retest they can retest
Forma con V-ing
I can be retesting you can be retesting he can be retesting we can be retesting you can be retesting they can be retesting
Perfecto
I can have retested you can have retested he can have retested we can have retested you can have retested they can have retested
Perfecto con V-ing
I can have been retesting you can have been retesting he can have been retesting we can have been retesting you can have been retesting they can have been retesting
Negación
Forma simple
I can't retest you can't retest he can't retest we can't retest you can't retest they can't retest
Forma con V-ing
I can't be retesting you can't be retesting he can't be retesting we can't be retesting you can't be retesting they can't be retesting
Perfecto
I can't have retested you can't have retested he can't have retested we can't have retested you can't have retested they can't have retested
Perfecto con V-ing
I can't have been retesting you can't have been retesting he can't have been retesting we can't have been retesting you can't have been retesting they can't have been retesting
Forma interrogativa
Forma simple
can I retest? can you retest? can he retest? can we retest? can you retest? can they retest?
Forma con V-ing
can I be retesting? can you be retesting? can he be retesting? can we be retesting? can you be retesting? can they be retesting?
Perfecto
can I have retested? can you have retested? can he have retested? can we have retested? can you have retested? can they have retested?
Perfecto con V-ing
can I have been retesting? can you have been retesting? can he have been retesting? can we have been retesting? can you have been retesting? can they have been retesting?
Forma interro-negativa
Forma simple
can't I retest? can't you retest? can't he retest? can't we retest? can't you retest? can't they retest?
Forma con V-ing
can't I be retesting? can't you be retesting? can't he be retesting? can't we be retesting? can't you be retesting? can't they be retesting?
Perfecto
can't I have retested? can't you have retested? can't he have retested? can't we have retested? can't you have retested? can't they have retested?
Perfecto con V-ing
can't I have been retesting? can't you have been retesting? can't he have been retesting? can't we have been retesting? can't you have been retesting? can't they have been retesting?