past perfect versus present perfect

https://englishlive.ef.com/blog/language-lab/english-grammar-help-present-perfect-and-past-perfect/ 

 https://www.ego4u.com/en/cram-up/grammar/simpas-preper

https://www.englishpage.com/verbpage/verbtenseintro.html#verb-tense-chart-title

Cool links!

https://www.easypacelearning.com/all-lessons/grammar/1198-12-verb-tenses-table-learning-english-grammar-tenses?fbclid=IwAR08I7lgTVebe67KTtCKh28mndKmh0MdcgoqWUV-Z18lModFTRdRKPIdX7Q  

 https://www.esl-lounge.com/reference/grammar-reference-most-common-irregular-verb-list.php?fbclid=IwAR1ePMQEl5msYA0Wc9_xspHjdzKuDBEk9eN9gV3ZSMUYtWAN-TGnYitVShs 

https://www.perfect-english-grammar.com/support-files/50_common_irregular_verbs_list.pdf?fbclid=IwAR1KwOXFcwDQJf4jYMXCdf42Y7DBkronPh8Mutq50U029Yg4BrhknGCQb-s

Verbs in ESL

https://www.englishclub.com/vocabulary/verbs.htm 

 https://www.englishclub.com/vocabulary/regular-verbs-list.htm

https://www.englishclub.com/vocabulary/irregular-verbs.htm

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https://www.englishclub.com/pronunciation/minimal-pairs-t-d-initial.htm


http://englishspeaklikenative.com/minimal-pairs/minimal-pairs-for-consonants/