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