I can externalise you can externalise she can externalise we can externalise you can externalise they can externalise
V-ing form
I can be externalising you can be externalising she can be externalising we can be externalising you can be externalising they can be externalising
Perfect
I can have externalised you can have externalised she can have externalised we can have externalised you can have externalised they can have externalised
V-ing perfect
I can have been externalising you can have been externalising she can have been externalising we can have been externalising you can have been externalising they can have been externalising
Negation
Simple form
I cannot externalise you cannot externalise she cannot externalise we cannot externalise you cannot externalise they cannot externalise
V-ing form
I cannot be externalising you cannot be externalising she cannot be externalising we cannot be externalising you cannot be externalising they cannot be externalising
Perfect
I cannot have externalised you cannot have externalised she cannot have externalised we cannot have externalised you cannot have externalised they cannot have externalised
V-ing perfect
I cannot have been externalising you cannot have been externalising she cannot have been externalising we cannot have been externalising you cannot have been externalising they cannot have been externalising
Interrogative form
Simple form
can I externalise? can you externalise? can she externalise? can we externalise? can you externalise? can they externalise?
V-ing form
can I be externalising? can you be externalising? can she be externalising? can we be externalising? can you be externalising? can they be externalising?
Perfect
can I have externalised? can you have externalised? can she have externalised? can we have externalised? can you have externalised? can they have externalised?
V-ing perfect
can I have been externalising? can you have been externalising? can she have been externalising? can we have been externalising? can you have been externalising? can they have been externalising?
Interro-negative form
Simple form
can I not externalise? can you not externalise? can she not externalise? can we not externalise? can you not externalise? can they not externalise?
V-ing form
can I not be externalising? can you not be externalising? can she not be externalising? can we not be externalising? can you not be externalising? can they not be externalising?
Perfect
can I not have externalised? can you not have externalised? can she not have externalised? can we not have externalised? can you not have externalised? can they not have externalised?
V-ing perfect
can I not have been externalising? can you not have been externalising? can she not have been externalising? can we not have been externalising? can you not have been externalising? can they not have been externalising?