I'll be extemporising you'll be extemporising he'll be extemporising we'll be extemporising you'll be extemporising they'll be extemporising
Perfect
I'll have extemporised you'll have extemporised he'll have extemporised we'll have extemporised you'll have extemporised they'll have extemporised
V-ing perfect
I'll have been extemporising you'll have been extemporising he'll have been extemporising we'll have been extemporising you'll have been extemporising they'll have been extemporising
Negation
Simple form
I shan't extemporise you shan't extemporise he shan't extemporise we shan't extemporise you shan't extemporise they shan't extemporise
V-ing form
I shan't be extemporising you shan't be extemporising he shan't be extemporising we shan't be extemporising you shan't be extemporising they shan't be extemporising
Perfect
I shan't have extemporised you shan't have extemporised he shan't have extemporised we shan't have extemporised you shan't have extemporised they shan't have extemporised
V-ing perfect
I shan't have been extemporising you shan't have been extemporising he shan't have been extemporising we shan't have been extemporising you shan't have been extemporising they shan't have been extemporising
Interrogative form
Simple form
shall I extemporise? shall you extemporise? shall he extemporise? shall we extemporise? shall you extemporise? shall they extemporise?
V-ing form
shall I be extemporising? shall you be extemporising? shall he be extemporising? shall we be extemporising? shall you be extemporising? shall they be extemporising?
Perfect
shall I have extemporised? shall you have extemporised? shall he have extemporised? shall we have extemporised? shall you have extemporised? shall they have extemporised?
V-ing perfect
shall I have been extemporising? shall you have been extemporising? shall he have been extemporising? shall we have been extemporising? shall you have been extemporising? shall they have been extemporising?
Interro-negative form
Simple form
shan't I extemporise? shan't you extemporise? shan't he extemporise? shan't we extemporise? shan't you extemporise? shan't they extemporise?
V-ing form
shan't I be extemporising? shan't you be extemporising? shan't he be extemporising? shan't we be extemporising? shan't you be extemporising? shan't they be extemporising?
Perfect
shan't I have extemporised? shan't you have extemporised? shan't he have extemporised? shan't we have extemporised? shan't you have extemporised? shan't they have extemporised?
V-ing perfect
shan't I have been extemporising? shan't you have been extemporising? shan't he have been extemporising? shan't we have been extemporising? shan't you have been extemporising? shan't they have been extemporising?