To improve your Grammar

Check this presentation, diagram of all tenses and exercises with all tenses.

 
Present tenses 

Future Tenses

Past Tenses

Conditionals

zero conditional movie, identify general truth or future time sentences, 1st and 2nd conditional movie, play the conditionals billionaire game, 2nd conditional movie, 3rd conditional movie, revision of conditionals, conditionals overview , diagnostic quiz

modal verbs exercises

Passive voice, searching the crime scene

Reported speech, Dr Watson, report why people never liked something never liked it

reduced clauses, time-related, quiz,

Gerund, diagnostic test, verbs with objects followed by gerund

Infinitive, diagnostic test.