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