Useful links for many grammatical points

Useful links for the grammatical points 

http://www.grammaring.com/first-conditional

http://www.grammaring.com/second-conditional

http://www.grammaring.com/modals-in-the-second-conditional

http://www.grammaring.com/if-even-if-only-if-as-long-as-provided-supposing-unless-but-for-if-necessary-if-so-in-case-etc

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http://www.grammaring.com/indirect-speech

http://www.grammaring.com/

Links for reported speech

Reported speech

These are useful links for reported speech:

1.      Reported speech: explanations

https://www.perfect-english-grammar.com/reported-speech.html

2.      Reporting verbs

https://www.perfect-english-grammar.com/reporting-verbs.html

3.      Exercises

https://www.perfect-english-grammar.com/reported-speech-exercises.html

 Wh-questions

https://www.perfect-english-grammar.com/reported-speech-exercise-6.html

YES-NO questions

https://www.perfect-english-grammar.com/reported-speech-exercise-7.html