Present Simple. Practise1

https://agendaweb.org/exercises/verbs/present-forms.htm 

https://agendaweb.org/verbs/present-simple/index.html

http://www.englishmaven.org/HP6/Present%20Tense%20Exercise%206.htm

http://www.englishmaven.org/HP6/Present%20Tense%20Exercise%203.htm

https://agendaweb.org/exercises/verbs/present-negative 

http://www.english-room.com/grammar/presentsimpletense_dodoesnot_1.htm 

https://agendaweb.org/exercises/verbs/do-does 

https://www.grammar.cl/Games/Short_Answers_Present.htm 

https://www.ego4u.com/en/cram-up/tests/simple-present-1