I could appraise you could appraise he could appraise we could appraise you could appraise they could appraise
Forma con V-ing
I could be appraising you could be appraising he could be appraising we could be appraising you could be appraising they could be appraising
Perfecto
I could have appraised you could have appraised he could have appraised we could have appraised you could have appraised they could have appraised
Perfecto con V-ing
I could have been appraising you could have been appraising he could have been appraising we could have been appraising you could have been appraising they could have been appraising
Negación
Forma simple
I couldn't appraise you couldn't appraise he couldn't appraise we couldn't appraise you couldn't appraise they couldn't appraise
Forma con V-ing
I couldn't be appraising you couldn't be appraising he couldn't be appraising we couldn't be appraising you couldn't be appraising they couldn't be appraising
Perfecto
I couldn't have appraised you couldn't have appraised he couldn't have appraised we couldn't have appraised you couldn't have appraised they couldn't have appraised
Perfecto con V-ing
I couldn't have been appraising you couldn't have been appraising he couldn't have been appraising we couldn't have been appraising you couldn't have been appraising they couldn't have been appraising
Forma interrogativa
Forma simple
could I appraise? could you appraise? could he appraise? could we appraise? could you appraise? could they appraise?
Forma con V-ing
could I be appraising? could you be appraising? could he be appraising? could we be appraising? could you be appraising? could they be appraising?
Perfecto
could I have appraised? could you have appraised? could he have appraised? could we have appraised? could you have appraised? could they have appraised?
Perfecto con V-ing
could I have been appraising? could you have been appraising? could he have been appraising? could we have been appraising? could you have been appraising? could they have been appraising?
Forma interro-negativa
Forma simple
couldn't I appraise? couldn't you appraise? couldn't he appraise? couldn't we appraise? couldn't you appraise? couldn't they appraise?
Forma con V-ing
couldn't I be appraising? couldn't you be appraising? couldn't he be appraising? couldn't we be appraising? couldn't you be appraising? couldn't they be appraising?
Perfecto
couldn't I have appraised? couldn't you have appraised? couldn't he have appraised? couldn't we have appraised? couldn't you have appraised? couldn't they have appraised?
Perfecto con V-ing
couldn't I have been appraising? couldn't you have been appraising? couldn't he have been appraising? couldn't we have been appraising? couldn't you have been appraising? couldn't they have been appraising?