English verb conjugation
SHOULD INVEST

Regular verb: invest - invested - invested

Affirmation

Simple form	V-ing form
I should invest you should invest she should invest we should invest you should invest they should invest	I should be investing you should be investing she should be investing we should be investing you should be investing they should be investing
Perfect	V-ing perfect
I should have invested you should have invested she should have invested we should have invested you should have invested they should have invested	I should have been investing you should have been investing she should have been investing we should have been investing you should have been investing they should have been investing

Negation

Simple form	V-ing form
I should not invest you should not invest she should not invest we should not invest you should not invest they should not invest	I should not be investing you should not be investing she should not be investing we should not be investing you should not be investing they should not be investing
Perfect	V-ing perfect
I should not have invested you should not have invested she should not have invested we should not have invested you should not have invested they should not have invested	I should not have been investing you should not have been investing she should not have been investing we should not have been investing you should not have been investing they should not have been investing

Interrogative form

Simple form	V-ing form
should I invest? should you invest? should she invest? should we invest? should you invest? should they invest?	should I be investing? should you be investing? should she be investing? should we be investing? should you be investing? should they be investing?
Perfect	V-ing perfect
should I have invested? should you have invested? should she have invested? should we have invested? should you have invested? should they have invested?	should I have been investing? should you have been investing? should she have been investing? should we have been investing? should you have been investing? should they have been investing?

Interro-negative form

Simple form	V-ing form
should I not invest? should you not invest? should she not invest? should we not invest? should you not invest? should they not invest?	should I not be investing? should you not be investing? should she not be investing? should we not be investing? should you not be investing? should they not be investing?
Perfect	V-ing perfect
should I not have invested? should you not have invested? should she not have invested? should we not have invested? should you not have invested? should they not have invested?	should I not have been investing? should you not have been investing? should she not have been investing? should we not have been investing? should you not have been investing? should they not have been investing?