adjectives- COMPARATIVES + SUPERLATIVES

Explanation: https://academicguides.waldenu.edu/writingcenter/grammar/comparisons

as - as

Song
Lenka: Everything At Once

explanation: https://dictionary.cambridge.org/grammar/british-grammar/as-as

https://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises?02

https://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_as_as.htm

COMPARATIVES
explanation:
http://www.eflnet.com/tutorials/adjcompsup.php

https://learnenglish.britishcouncil.org/grammar/english-grammar-reference/comparative-and-superlative-adjectives

on-line exercises:
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-2136.php
http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives/exercises
http://www.englishexercises.org/makeagame/viewgame.asp?id=2070
http://www.learnenglish-online.com/grammar/tests/comparativeadjectives2.html
http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjectives_comparison_sentences.htm
http://www.englisch-hilfen.de/en/exercises/adjectives_adverbs/adjective_comparison.htm

reading: http://www.learnenglish-online.com/grammar/readings/comparativeadjectivesreading.html

liveworksheets: 

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives/Comparative_adjectives_sx191093gc

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparative_adjectives/Comparatives_tg1251529nc

https://www.liveworksheets.com/rm211367bv

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives/COMPARATIVES_IN_SONGS_lh268338dz

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives/Comparative_Adjectives_-_Video_bl604ra

https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives/Comparatives_-_practice_rv386734np

more advanced exercises:
http://learnenglish.britishcouncil.org/en/english-grammar/adjectives/comparative-and-superlative-adjectives

COMPARATIVES + SUPERLATIVES
http://www.englishexercises.org/makeagame/viewgame.asp?id=3565
http://www.ego4u.com/en/cram-up/grammar/adjectives-adverbs/adjectives
http://www.learn-english-today.com/lessons/lesson_contents/exercises/adjectives-ex.html
http://www.eflnet.com/tutorials/adjcompsup.php
http://www.worksheetworks.com/english/partsofspeech/adjectives/comparative-superlative.html
http://www.eflnet.com/tutorials/adjcompsup.php
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/regcom1.htm
http://www.usingenglish.com/quizzes/45.html
http://a4esl.org/q/h/vm/compsup.html
http://esl.about.com/od/intermediatelevelquizzes/a/comparative_superlative_quiz.htm
http://www.englishpage.com/grammar/Comparatives_and_Superlatives/
http://dum.rvp.cz/materialy/comparatives-and-superlatives-test.html
http://perso.wanadoo.es/autoenglish/gr.comp.i.htm

GUINESS WORLD RECORDS: http://www.guinnessworldrecords.com/

GEOGRAPHICAL RECORDS:
http://www.factmonster.com/ipka/A0770092.html
http://www.solarnavigator.net/geography/geography_world_records.htm
http://www.kidzworld.com/article/1751-world-geography-facts-water

BOTANICAL RECORDS:
http://waynesword.palomar.edu/ww0601.htm
http://waynesword.palomar.edu/BotRecords1.htm
http://www.naturalshropshire.org.uk/EcologicalDataSEDN/SpeciesRecordingGroups/BotanicalRecords/tabid/56/Default.aspx

ADJECTIVES + ADVERBS: 

comparative and superlative explanation: https://www.ef.com/wwen/english-resources/english-grammar/comparative-and-superlative-adverbs/

https://learnenglish.britishcouncil.org/grammar/english-grammar-reference/comparative-and-superlative-adverbs

https://www.liveworksheets.com/worksheets/en/English_language/Grammar/Comparative_and_Superlative_Adjectives_and_Adverbs_et355918rk
https://test-english.com/grammar-points/b1/comparative-superlative-adjectives-adverbs/

https://agendaweb.org/grammar/comparative-superlative-exercises.html