http://www.studyandexam.com/sentence-types.html
https://akademia.com.ng/types-sentences-according-function-examples/
Specific
http://www.softschools.com/examples/grammar/simple_sentence_examples/445/
https://www.english-grammar-revolution.com/simple-sentence.html
http://englishsentences.com/simple-sentence/
http://www.grammar-monster.com/glossary/compound_sentence.htm
http://www.softschools.com/examples/grammar/compound_sentences_examples/442/
http://englishsentences.com/compound-sentence/
http://www.grammar-monster.com/glossary/complex_sentence.htm
https://study.com/academy/lesson/what-is-a-complex-sentence-examples-lesson-quiz.html
https://spcollege.libguides.com/c.php?g=254288&p=1695264