PUDI, is a ciber space for the students what want to learn and improve your english
(Programa Único de Inglés)
1. QUESTION TAGS
A) Question tags exercise without explanation: http://www.englishexercises.org/makeagame/viewgame.asp?id=9240
B) With explanation and rules, 6 exercises:
http://www.englishgrammarsecrets.com/questionstags/menu.php
2. PAST SIMPLE AND PAST PERFECT
A) With explanation and examples:
http://www.englishpage.com/verbpage/pastperfect.html
B) Only exercise in paragraphs:
http://www.englishpage.com/verbpage/verbs11.htm
C)Without explanation, only exercise:
http://www.englishgrammar.org/simple-perfect-tense-exercise , http://www.englishexercises.org/makeagame/viewgame.asp?id=4932
D) Paragraph with Present Perfect, Simple Past and Past Perfect:
http://www.englishpage.com/verbpage/verbs12.htm
3. JOINING TWO VERBS:
A)LIST OF VERBS THAT REQUIRE GERUND ( “ING” form):
http://www.englishpage.com/gerunds/gerund_list.htm
B)LIST OF VERBS THAT REQUIRE INFINITIVE (“TO” form):
4. Using: it’s +ADJECTIVE+INFINITIVE
http://learn-english.wonderhowto.com/how-to/use-its-adjective-infinitive-english-291441/
5. Using: WISH (that)+ PAST PERFECT: http://learnenglish.britishcouncil.org/en/english-grammar/verbs/wishes-and-hypotheses
NOW, ABOUT THE TOEFL TEST:
http://www.learn4good.com/languages/spec_english_toefl.htm