Regular verb: calve - calved - calved
Simple form | V-ing form |
I must calve you must calve she must calve we must calve you must calve they must calve | I must be calving you must be calving she must be calving we must be calving you must be calving they must be calving |
Perfect | V-ing perfect |
I must have calved you must have calved she must have calved we must have calved you must have calved they must have calved | I must have been calving you must have been calving she must have been calving we must have been calving you must have been calving they must have been calving |
Simple form | V-ing form |
I mustn't calve you mustn't calve she mustn't calve we mustn't calve you mustn't calve they mustn't calve | I mustn't be calving you mustn't be calving she mustn't be calving we mustn't be calving you mustn't be calving they mustn't be calving |
Perfect | V-ing perfect |
I mustn't have calved you mustn't have calved she mustn't have calved we mustn't have calved you mustn't have calved they mustn't have calved | I mustn't have been calving you mustn't have been calving she mustn't have been calving we mustn't have been calving you mustn't have been calving they mustn't have been calving |
Simple form | V-ing form |
must I calve? must you calve? must she calve? must we calve? must you calve? must they calve? | must I be calving? must you be calving? must she be calving? must we be calving? must you be calving? must they be calving? |
Perfect | V-ing perfect |
must I have calved? must you have calved? must she have calved? must we have calved? must you have calved? must they have calved? | must I have been calving? must you have been calving? must she have been calving? must we have been calving? must you have been calving? must they have been calving? |
Simple form | V-ing form |
mustn't I calve? mustn't you calve? mustn't she calve? mustn't we calve? mustn't you calve? mustn't they calve? | mustn't I be calving? mustn't you be calving? mustn't she be calving? mustn't we be calving? mustn't you be calving? mustn't they be calving? |
Perfect | V-ing perfect |
mustn't I have calved? mustn't you have calved? mustn't she have calved? mustn't we have calved? mustn't you have calved? mustn't they have calved? | mustn't I have been calving? mustn't you have been calving? mustn't she have been calving? mustn't we have been calving? mustn't you have been calving? mustn't they have been calving? |