Passive voice

                       1, 2, 3, 4, 5, 6, 7, 8, 9, 10,11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, mixed, 25, 26, 27, 28, 29, 30
                       active and passive
                       active and passive
                       present continuous
                       to be + past participle
                       modals and active and passive,
                       present, past, future and modals
                       passive and reported speech, active or passive,  present tense,
                       present simple, past simple, future simple, present perfect passi...

Present Simple

                        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

Present Continuous

                        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

                                    
PRESENT SIMPLE VS. PRESENT CONTINUOUS
                       
                        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,

Past Simple                        

                       1, 2, 3,4, 5, 6, 7, 8, 9,10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21

                                to be
           
                                               ...

Begginer 
                                                        should/ shouldn't
                                                        can/ can't
                                                        can/ can't
                               school rules  can, must, and musn't
                                                        would...., would like......, would love .....
                                                        can/ can't
                                                        can/ can't
                                                        can/ can't

Intermediat...