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