=PRESENT TENSE.= =Singular.= =Plural.= 1. I do, 1. We do, 2. Thou doest 2. You do, or dost, 3. He does. 3. They do. =PAST TENSE.= =Singular.= =Plural.= 1. I did, 1. We did, 2. Thou didst, 2. You did, 3. He did. 3. They did.