Verbo regolare: contribute - contributed - contributed
Forma semplice | Forma con V-ing |
I must contribute you must contribute he must contribute we must contribute you must contribute they must contribute | I must be contributing you must be contributing he must be contributing we must be contributing you must be contributing they must be contributing |
Perfetto | Perfetto con V-ing |
I must have contributed you must have contributed he must have contributed we must have contributed you must have contributed they must have contributed | I must have been contributing you must have been contributing he must have been contributing we must have been contributing you must have been contributing they must have been contributing |
Forma semplice | Forma con V-ing |
I mustn't contribute you mustn't contribute he mustn't contribute we mustn't contribute you mustn't contribute they mustn't contribute | I mustn't be contributing you mustn't be contributing he mustn't be contributing we mustn't be contributing you mustn't be contributing they mustn't be contributing |
Perfetto | Perfetto con V-ing |
I mustn't have contributed you mustn't have contributed he mustn't have contributed we mustn't have contributed you mustn't have contributed they mustn't have contributed | I mustn't have been contributing you mustn't have been contributing he mustn't have been contributing we mustn't have been contributing you mustn't have been contributing they mustn't have been contributing |
Forma semplice | Forma con V-ing |
must I contribute? must you contribute? must he contribute? must we contribute? must you contribute? must they contribute? | must I be contributing? must you be contributing? must he be contributing? must we be contributing? must you be contributing? must they be contributing? |
Perfetto | Perfetto con V-ing |
must I have contributed? must you have contributed? must he have contributed? must we have contributed? must you have contributed? must they have contributed? | must I have been contributing? must you have been contributing? must he have been contributing? must we have been contributing? must you have been contributing? must they have been contributing? |
Forma semplice | Forma con V-ing |
mustn't I contribute? mustn't you contribute? mustn't he contribute? mustn't we contribute? mustn't you contribute? mustn't they contribute? | mustn't I be contributing? mustn't you be contributing? mustn't he be contributing? mustn't we be contributing? mustn't you be contributing? mustn't they be contributing? |
Perfetto | Perfetto con V-ing |
mustn't I have contributed? mustn't you have contributed? mustn't he have contributed? mustn't we have contributed? mustn't you have contributed? mustn't they have contributed? | mustn't I have been contributing? mustn't you have been contributing? mustn't he have been contributing? mustn't we have been contributing? mustn't you have been contributing? mustn't they have been contributing? |