I can entrench you can entrench he can entrench we can entrench you can entrench they can entrench
V-ing form
I can be entrenching you can be entrenching he can be entrenching we can be entrenching you can be entrenching they can be entrenching
Perfect
I can have entrenched you can have entrenched he can have entrenched we can have entrenched you can have entrenched they can have entrenched
V-ing perfect
I can have been entrenching you can have been entrenching he can have been entrenching we can have been entrenching you can have been entrenching they can have been entrenching
Negation
Simple form
I cannot entrench you cannot entrench he cannot entrench we cannot entrench you cannot entrench they cannot entrench
V-ing form
I cannot be entrenching you cannot be entrenching he cannot be entrenching we cannot be entrenching you cannot be entrenching they cannot be entrenching
Perfect
I cannot have entrenched you cannot have entrenched he cannot have entrenched we cannot have entrenched you cannot have entrenched they cannot have entrenched
V-ing perfect
I cannot have been entrenching you cannot have been entrenching he cannot have been entrenching we cannot have been entrenching you cannot have been entrenching they cannot have been entrenching
Interrogative form
Simple form
can I entrench? can you entrench? can he entrench? can we entrench? can you entrench? can they entrench?
V-ing form
can I be entrenching? can you be entrenching? can he be entrenching? can we be entrenching? can you be entrenching? can they be entrenching?
Perfect
can I have entrenched? can you have entrenched? can he have entrenched? can we have entrenched? can you have entrenched? can they have entrenched?
V-ing perfect
can I have been entrenching? can you have been entrenching? can he have been entrenching? can we have been entrenching? can you have been entrenching? can they have been entrenching?
Interro-negative form
Simple form
can I not entrench? can you not entrench? can he not entrench? can we not entrench? can you not entrench? can they not entrench?
V-ing form
can I not be entrenching? can you not be entrenching? can he not be entrenching? can we not be entrenching? can you not be entrenching? can they not be entrenching?
Perfect
can I not have entrenched? can you not have entrenched? can he not have entrenched? can we not have entrenched? can you not have entrenched? can they not have entrenched?
V-ing perfect
can I not have been entrenching? can you not have been entrenching? can he not have been entrenching? can we not have been entrenching? can you not have been entrenching? can they not have been entrenching?