When you need to write a presentation, follow these GUIDELINES.
SUBJECT - VERB AGREEMENT
https://www.espressoenglish.net/advanced-subject-verb-agreement-exercises/
https://www.englishrevealed.co.uk/FCE/fce_grammar/subject_verb_agreement_1.php
https://www.esl-lounge.com/student/grammar/4g88-subject-verb-agreement-gap-fill.php#google_vignette
https://www.esl-lounge.com/student/grammar/4g86-subject-verb-agreement.php
https://www.liveworksheets.com/w/en/english-second-language-esl/2328252#google_vignette
List
Practice
http://www.grammar-quizzes.com/connectsum.html
http://www.eslall.com/learn_english_731.html
CAUSE AND EFFECT CONNECTORS
Theory
Practice
http://baladre.info/english/sedaviwebfront/connectorscause.htm
http://baladre.info/english/sedaviwebfront/connectorsconseq.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=5348
http://lrs.ed.uiuc.edu/students/fwalters/causeconnect.html
http://www.grammar-quizzes.com/8-7.html
https://quizlet.com/3886876/connectors-cause-effect-flash-cards/
PURPOSE CONNECTORS
http://www.myenglishpages.com/site_php_files/grammar-exercise-purpose.php
http://mbonillo.xavierre.com/exercises/bch2/2bch2008/purpose4.htm
http://www.englishexercises.org/makeagame/viewgame.asp?id=6268
http://www.grammar-quizzes.com/infinitive3d.html
TYPES OF ESSAYS
FORMAL EMAILS
Theory
https://www.wallstreetenglish.com/blog/how-to-write-formal-emails-in-english
https://nikateacher.com/writing-formal-emails-in-english/
Practice
https://learnenglishteens.britishcouncil.org/skills/writing/b2-writing/more-formal-email
Theory
http://cordelia.typepad.com/english_today/2009/10/informal-email.html
http://esl-freak.blogspot.com.es/2016/02/how-to-writing-informal-email.html
Practice
http://learnenglishteens.britishcouncil.org/skills/writing-skills-practice/informal-email
http://www.cambridgeenglish.org/learning-english/activities-for-learners/b2w002b-how-to-write-an-informal-email
INFORMATIVE ESSAYS
https://www.grammarly.com/blog/how-to-write-an-informative-essay/
https://tutors.com/lesson/informative-essay
https://purdueglobalwriting.center/writing-an-informative-essay/
Theory
Practice
http://freeessays.essay-911.com/narrative/#essay
http://owl.english.purdue.edu/owl/resource/685/04/
OPINION ESSAYS
PRACTICE
