Regular verb: fax - faxed - faxed
Simple form | V-ing form |
I must fax you must fax he must fax we must fax you must fax they must fax | I must be faxing you must be faxing he must be faxing we must be faxing you must be faxing they must be faxing |
Perfect | V-ing perfect |
I must have faxed you must have faxed he must have faxed we must have faxed you must have faxed they must have faxed | I must have been faxing you must have been faxing he must have been faxing we must have been faxing you must have been faxing they must have been faxing |
Simple form | V-ing form |
I mustn't fax you mustn't fax he mustn't fax we mustn't fax you mustn't fax they mustn't fax | I mustn't be faxing you mustn't be faxing he mustn't be faxing we mustn't be faxing you mustn't be faxing they mustn't be faxing |
Perfect | V-ing perfect |
I mustn't have faxed you mustn't have faxed he mustn't have faxed we mustn't have faxed you mustn't have faxed they mustn't have faxed | I mustn't have been faxing you mustn't have been faxing he mustn't have been faxing we mustn't have been faxing you mustn't have been faxing they mustn't have been faxing |
Simple form | V-ing form |
must I fax? must you fax? must he fax? must we fax? must you fax? must they fax? | must I be faxing? must you be faxing? must he be faxing? must we be faxing? must you be faxing? must they be faxing? |
Perfect | V-ing perfect |
must I have faxed? must you have faxed? must he have faxed? must we have faxed? must you have faxed? must they have faxed? | must I have been faxing? must you have been faxing? must he have been faxing? must we have been faxing? must you have been faxing? must they have been faxing? |
Simple form | V-ing form |
mustn't I fax? mustn't you fax? mustn't he fax? mustn't we fax? mustn't you fax? mustn't they fax? | mustn't I be faxing? mustn't you be faxing? mustn't he be faxing? mustn't we be faxing? mustn't you be faxing? mustn't they be faxing? |
Perfect | V-ing perfect |
mustn't I have faxed? mustn't you have faxed? mustn't he have faxed? mustn't we have faxed? mustn't you have faxed? mustn't they have faxed? | mustn't I have been faxing? mustn't you have been faxing? mustn't he have been faxing? mustn't we have been faxing? mustn't you have been faxing? mustn't they have been faxing? |