I should interlock you should interlock he should interlock we should interlock you should interlock they should interlock
V-ing form
I should be interlocking you should be interlocking he should be interlocking we should be interlocking you should be interlocking they should be interlocking
Perfect
I should have interlocked you should have interlocked he should have interlocked we should have interlocked you should have interlocked they should have interlocked
V-ing perfect
I should have been interlocking you should have been interlocking he should have been interlocking we should have been interlocking you should have been interlocking they should have been interlocking
Negation
Simple form
I should not interlock you should not interlock he should not interlock we should not interlock you should not interlock they should not interlock
V-ing form
I should not be interlocking you should not be interlocking he should not be interlocking we should not be interlocking you should not be interlocking they should not be interlocking
Perfect
I should not have interlocked you should not have interlocked he should not have interlocked we should not have interlocked you should not have interlocked they should not have interlocked
V-ing perfect
I should not have been interlocking you should not have been interlocking he should not have been interlocking we should not have been interlocking you should not have been interlocking they should not have been interlocking
Interrogative form
Simple form
should I interlock? should you interlock? should he interlock? should we interlock? should you interlock? should they interlock?
V-ing form
should I be interlocking? should you be interlocking? should he be interlocking? should we be interlocking? should you be interlocking? should they be interlocking?
Perfect
should I have interlocked? should you have interlocked? should he have interlocked? should we have interlocked? should you have interlocked? should they have interlocked?
V-ing perfect
should I have been interlocking? should you have been interlocking? should he have been interlocking? should we have been interlocking? should you have been interlocking? should they have been interlocking?
Interro-negative form
Simple form
should I not interlock? should you not interlock? should he not interlock? should we not interlock? should you not interlock? should they not interlock?
V-ing form
should I not be interlocking? should you not be interlocking? should he not be interlocking? should we not be interlocking? should you not be interlocking? should they not be interlocking?
Perfect
should I not have interlocked? should you not have interlocked? should he not have interlocked? should we not have interlocked? should you not have interlocked? should they not have interlocked?
V-ing perfect
should I not have been interlocking? should you not have been interlocking? should he not have been interlocking? should we not have been interlocking? should you not have been interlocking? should they not have been interlocking?