I can solder you can solder he can solder we can solder you can solder they can solder
V-ing form
I can be soldering you can be soldering he can be soldering we can be soldering you can be soldering they can be soldering
Perfect
I can have soldered you can have soldered he can have soldered we can have soldered you can have soldered they can have soldered
V-ing perfect
I can have been soldering you can have been soldering he can have been soldering we can have been soldering you can have been soldering they can have been soldering
Negation
Simple form
I can't solder you can't solder he can't solder we can't solder you can't solder they can't solder
V-ing form
I can't be soldering you can't be soldering he can't be soldering we can't be soldering you can't be soldering they can't be soldering
Perfect
I can't have soldered you can't have soldered he can't have soldered we can't have soldered you can't have soldered they can't have soldered
V-ing perfect
I can't have been soldering you can't have been soldering he can't have been soldering we can't have been soldering you can't have been soldering they can't have been soldering
Interrogative form
Simple form
can I solder? can you solder? can he solder? can we solder? can you solder? can they solder?
V-ing form
can I be soldering? can you be soldering? can he be soldering? can we be soldering? can you be soldering? can they be soldering?
Perfect
can I have soldered? can you have soldered? can he have soldered? can we have soldered? can you have soldered? can they have soldered?
V-ing perfect
can I have been soldering? can you have been soldering? can he have been soldering? can we have been soldering? can you have been soldering? can they have been soldering?
Interro-negative form
Simple form
can't I solder? can't you solder? can't he solder? can't we solder? can't you solder? can't they solder?
V-ing form
can't I be soldering? can't you be soldering? can't he be soldering? can't we be soldering? can't you be soldering? can't they be soldering?
Perfect
can't I have soldered? can't you have soldered? can't he have soldered? can't we have soldered? can't you have soldered? can't they have soldered?
V-ing perfect
can't I have been soldering? can't you have been soldering? can't he have been soldering? can't we have been soldering? can't you have been soldering? can't they have been soldering?