2. Must

http://roble.cnice.mecd.es/~html0053/pablodugo/hotpotpa.must.htm

3. Must

http://roble.cnice.mecd.es/~html0053/pablodugo/hotpotpa.must.htm

1. Must

http://www.better-english.com/easier/must.htm

2. Should

http://www.kas-wenden.de/nexercise/Englisch/free_exercises/should_shouldnt/should_shouldnt.htm

1. Should

http://www.eclecticenglish.com/grammar/Should1A.html

Jobs - quiz

http://www.englishclub.com/esl-quizzes/vocabulary-1-jobs.htm

Jobs - word search

http://www.learnenglish.de/Games/SeekAWord/WORDSEARCH8.htm

Jobs - vocabulary

http://www.learnenglish.de/Games/Hangman/hangmanjobs.htm

5. Past Continuous

http://www.englishclub.com/grammar/verb-tenses_past-continuous-quiz.htm

Past Continuous

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/pascon1.htm

2. Past continuous

http://www.englishpage.com/verbpage/verbs4.htm

1. Past continuous

http://www.englishpage.com/verbpage/verbs3.htm

Creating simple past

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