will going to

http://www.englishexercises.org/makeagame/viewgame.asp?id=3135
http://www.better-english.com/grammar/willgo.htm
http://www.englishgrammarsecrets.com/goingtoorwill/exercise2.html
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-17802.php
http://www.montsemorales.com/gramatica/Tooenough.htm

modals

http://baladre.info/english/sedaviwebfront/mustshould.htm
http://s.mound.free.fr/skyblues67/modals/schoollife.htm
http://www.english-grammar-lessons.com/could/exercise3.swf
http://teacher.schule.at/tom-schoftner/drw_files/modal_verbs_cannot_could_not_1.htm
http://www.englishgrammarsecrets.com/should/exercise1.swf
 http://www.eoilangreo.net/cristina/intermediate/modals.html
http://www.learnenglishfeelgood.com/esl-mixed-modals1.html

emotions

http://www.englishexercises.org/makeagame/viewgame.asp?id=3187
http://www.web-esl.com/feelings/feelings.html
http://www.learningchocolate.com/content/feeling?st_lang=en
http://www.visualesl.com/drag/20.htm
http://esldivlabs.vcc.ca/ELSA/Instructor_Web_Exercises/Vocabulary/Feelings_and_Emotions_Multiple_Choice.htm
http://www.learnenglish.be/voc1_feelings_study.htm

http://www.esl-bits.net/interact/sets/signs/signs1/signs1.htm
http://www.esl-bits.net/interact/sets/detailed/detailed1/detailed1.htm
http://www.esl-bits.net/interact/sets/gist/gist1/gist1.htm
http://www.esl-bits.net/interact/sets/signs/signs2/signs2.htm
http://www.esl-bits.net/interact/sets/signs/signs17/signs17.htm
http://www.esl-lounge.com/student/reading/2r7-pen-pals.php
http://www.esl-bits.net/interact/sets/cloze7/cloze-7.htm
http://www.esl-bits.net/interact/sets/cloze2/cloze-2.htm

enough too

http://www.englishexercises.org/makeagame/viewgame.asp?id=3110
http://www.tolearnenglish.com/cgi2/myexam/voir2r.php?id=10731
http://www.myenglishpages.com/site_php_files/grammar-exercise-too-enough.php
http://www.montsemorales.com/gramatica/Tooenough.htm

present perfect

http://www.mansioningles.com/listening02.htm
http://www.mansioningles.com/listening29.htm
http://www.adelescorner.org/grammar/pres_perfect/pres_per_vs_past_simple.html
http://ingles.iesboliches.org/activities/grammar/tenses/simplepast_presentperfect.htm

present simple

http://www.english-room.com/4_01.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=2829
http://esl.fis.edu/grammar/single/pressimp1.htm
http://www.englishlab.net/hp/quiz2_present_simple_2_add_es.htm

contrast purpose reason result linkers

http://www.englishexercises.org/makeagame/viewgame.asp?id=1792
http://www.authorstream.com/Presentation/fergonco66-1554321-connectors/
http://www.iesdamasoalonso.es/elynx/uploads/archives/Linkers-UI.pdf

comparison diver

http://www.englishexercises.org/makeagame/viewgame.asp?id=2070
http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/compare-exercises
http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises
http://www.adelescorner.org/grammar/comparatives/comparatives2.html
http://www.learnenglish.de/Games/Adjectives/CompSup.htm
http://inglesnanet.com/grammar/superl.htm