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 cannot solder you cannot solder he cannot solder we cannot solder you cannot solder they cannot solder
V-ing form
I cannot be soldering you cannot be soldering he cannot be soldering we cannot be soldering you cannot be soldering they cannot be soldering
Perfect
I cannot have soldered you cannot have soldered he cannot have soldered we cannot have soldered you cannot have soldered they cannot have soldered
V-ing perfect
I cannot have been soldering you cannot have been soldering he cannot have been soldering we cannot have been soldering you cannot have been soldering they cannot 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 I not solder? can you not solder? can he not solder? can we not solder? can you not solder? can they not solder?
V-ing form
can I not be soldering? can you not be soldering? can he not be soldering? can we not be soldering? can you not be soldering? can they not be soldering?
Perfect
can I not have soldered? can you not have soldered? can he not have soldered? can we not have soldered? can you not have soldered? can they not have soldered?
V-ing perfect
can I not have been soldering? can you not have been soldering? can he not have been soldering? can we not have been soldering? can you not have been soldering? can they not have been soldering?