SIMPLE PAST

GO - WENT
BE - WAS/WERE
COME -CAME
RING - RANG
TAKE - TOOK
GIVE - GAVE
BUY - BOUGHT
SPEND - SPENT
PUT - PUT
RUN - RAN


VERB TO BE

http://a4esl.org/q/f/z/zz86skm.htm

THERE WAS THERE WERE
http://www.inglesonline.com.br/exerciciosdeinglesonline/there-was-were.htm

http://www.inglesonline.com.br/exerciciosdeinglesonline/there-was-were-questions.htm

IRREGULAR VERBS

http://www.ego4u.com/en/cram-up/grammar/simple-past

http://web2.uvcs.uvic.ca/elc/StudyZone/330/grammar/irpast1.htm

http://web2.uvcs.uvic.ca/elc/StudyZone/330/grammar/irpast2.htm

http://www.isabelperez.com/happy/tenses/exercises/past_quest1.htm

http://www.englisch-hilfen.de/en/exercises/questions/simple_past2.htm

http://speakspeak.com/html/d3a002_english_grammar_exercise_beginners_irreg_verbs.htm