I should seesaw you should seesaw he should seesaw we should seesaw you should seesaw they should seesaw
V-ing form
I should be seesawing you should be seesawing he should be seesawing we should be seesawing you should be seesawing they should be seesawing
Perfect
I should have seesawed you should have seesawed he should have seesawed we should have seesawed you should have seesawed they should have seesawed
V-ing perfect
I should have been seesawing you should have been seesawing he should have been seesawing we should have been seesawing you should have been seesawing they should have been seesawing
Negation
Simple form
I should not seesaw you should not seesaw he should not seesaw we should not seesaw you should not seesaw they should not seesaw
V-ing form
I should not be seesawing you should not be seesawing he should not be seesawing we should not be seesawing you should not be seesawing they should not be seesawing
Perfect
I should not have seesawed you should not have seesawed he should not have seesawed we should not have seesawed you should not have seesawed they should not have seesawed
V-ing perfect
I should not have been seesawing you should not have been seesawing he should not have been seesawing we should not have been seesawing you should not have been seesawing they should not have been seesawing
Interrogative form
Simple form
should I seesaw? should you seesaw? should he seesaw? should we seesaw? should you seesaw? should they seesaw?
V-ing form
should I be seesawing? should you be seesawing? should he be seesawing? should we be seesawing? should you be seesawing? should they be seesawing?
Perfect
should I have seesawed? should you have seesawed? should he have seesawed? should we have seesawed? should you have seesawed? should they have seesawed?
V-ing perfect
should I have been seesawing? should you have been seesawing? should he have been seesawing? should we have been seesawing? should you have been seesawing? should they have been seesawing?
Interro-negative form
Simple form
should I not seesaw? should you not seesaw? should he not seesaw? should we not seesaw? should you not seesaw? should they not seesaw?
V-ing form
should I not be seesawing? should you not be seesawing? should he not be seesawing? should we not be seesawing? should you not be seesawing? should they not be seesawing?
Perfect
should I not have seesawed? should you not have seesawed? should he not have seesawed? should we not have seesawed? should you not have seesawed? should they not have seesawed?
V-ing perfect
should I not have been seesawing? should you not have been seesawing? should he not have been seesawing? should we not have been seesawing? should you not have been seesawing? should they not have been seesawing?