the past

 

 verbs crossword:

http://www.englishexercises.org/makeagame/viewgame.asp?id=2095

Past Simple exercises

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

 (easy) http://agendaweb.org/verbs/past_simple.html

(intermediate) http://agendaweb.org/verbs/simple_past.html

http://perso.wanadoo.es/autoenglish/gr.pastsim.i.htm

explanation http://www.edufind.com/english/grammar/Tenses9.cfm

Past Continuous exercises

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

http://agendaweb.org/verbs/past_progressive.html

explanation http://www.edufind.com/english/grammar/Tenses10.cfm

Simple Past or Past Continuous?

http://www.ego4u.com/en/cram-up/grammar/simpas-paspro

 

Past Perfect

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

http://agendaweb.org/verbs/past_perfect.html

 

Simple Past or Past Perfect

http://www.ego4u.com/en/cram-up/grammar/simpas-pasper

 

 Past perfect or past continuous?

http://perso.wanadoo.es/autoenglish/gr.pastperf.i.htm

Present Perfect

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

http://agendaweb.org/verbs/present_perfect.html

 Present perfect or past simple?

http://www.ego4u.com/en/cram-up/grammar/simpas-preper

http://perso.wanadoo.es/autoenglish/gr.perf.i.htm