STRUCTURE PAST TENSE
por Raquel Noemí Camacho Vite

1. AFFIRMATIVE
1.1. S + V ( PAST) + C
1.2. PETER BUILT A HOUSE
2. NEGATIVE
2.1. S + DIDN´T + V ( present) + C
2.2. PETER DIDN´T BUILD A HOUSE
3. AFFIRMATIVE
3.1. S + BE + C
3.2. RACHEL WAS BUSY
4. NEGATIVE
4.1. S + BE ( NOT ) + C
4.2. RACHEL WASN´T BUSY
5. PAST OF VERBS
5.1. REGULAR VERBS
5.1.1. 1. WALK WALKED PLAY PLAYED
5.1.2. 2. LIVE LIVED
5.1.3. 3. STUDY STUDIED
5.1.4. 4. PLAN PLANNED
5.2. IRREGULAR VERBS
5.2.1. GO WENT
5.2.2. FLY FLEW
6. INTERROGATIVE
6.1. DID + S + V ( present) + C ?
6.2. DID PETER BUILD A HOUSE?
7. INTERROGATIVE
7.1. BE + S + C?
7.2. WAS RACHEL BUSY ?
8. PAST VERB BE
8.1. I, HE, SHE , IT
8.1.1. WAS
8.2. WE, YOU, THEY
8.2.1. WERE