I can fidget you can fidget she can fidget we can fidget you can fidget they can fidget
V-ing form
I can be fidgeting you can be fidgeting she can be fidgeting we can be fidgeting you can be fidgeting they can be fidgeting
Perfect
I can have fidgeted you can have fidgeted she can have fidgeted we can have fidgeted you can have fidgeted they can have fidgeted
V-ing perfect
I can have been fidgeting you can have been fidgeting she can have been fidgeting we can have been fidgeting you can have been fidgeting they can have been fidgeting
Negation
Simple form
I can't fidget you can't fidget she can't fidget we can't fidget you can't fidget they can't fidget
V-ing form
I can't be fidgeting you can't be fidgeting she can't be fidgeting we can't be fidgeting you can't be fidgeting they can't be fidgeting
Perfect
I can't have fidgeted you can't have fidgeted she can't have fidgeted we can't have fidgeted you can't have fidgeted they can't have fidgeted
V-ing perfect
I can't have been fidgeting you can't have been fidgeting she can't have been fidgeting we can't have been fidgeting you can't have been fidgeting they can't have been fidgeting
Interrogative form
Simple form
can I fidget? can you fidget? can she fidget? can we fidget? can you fidget? can they fidget?
V-ing form
can I be fidgeting? can you be fidgeting? can she be fidgeting? can we be fidgeting? can you be fidgeting? can they be fidgeting?
Perfect
can I have fidgeted? can you have fidgeted? can she have fidgeted? can we have fidgeted? can you have fidgeted? can they have fidgeted?
V-ing perfect
can I have been fidgeting? can you have been fidgeting? can she have been fidgeting? can we have been fidgeting? can you have been fidgeting? can they have been fidgeting?
Interro-negative form
Simple form
can't I fidget? can't you fidget? can't she fidget? can't we fidget? can't you fidget? can't they fidget?
V-ing form
can't I be fidgeting? can't you be fidgeting? can't she be fidgeting? can't we be fidgeting? can't you be fidgeting? can't they be fidgeting?
Perfect
can't I have fidgeted? can't you have fidgeted? can't she have fidgeted? can't we have fidgeted? can't you have fidgeted? can't they have fidgeted?
V-ing perfect
can't I have been fidgeting? can't you have been fidgeting? can't she have been fidgeting? can't we have been fidgeting? can't you have been fidgeting? can't they have been fidgeting?