English language

001. Present simple tense

002. Present time state and event verbs

003. Present simple vs. present continuous

004. Present simple and continuous for the future

005. Future be going to, will, and present continuous

006. Past continuous vs. past simple

007. Past perfect formation and use

008. Present perfect continuous

009. Future continuous

010. Expressions used to, would

011. Conditional sentences type 1

012. Conditional sentences type 2

013. Conditional sentences type 3

014. Reported speech basic use

015. Reported speech tenses

016. Reported speech commands and requests

017. Reported speech questions

018. Wishes about the present

019. Wishes about the past

020. Active or Passive simple present and past

021. Passive present perfect; future simple

022. Passive present continuous; be going to

023. Passive sentences with and without an agent

024. Expressions have sth done; make sb do sth

025. Modal verbs for ability and permission

026. Modal verbs for possibility or uncertainty

027. Modal verbs for obligation

028. Modal verbs for impossibility or certainty

029. Modal verbs for advice and opinion

030. Defining relative clauses

031. Non-defining relative clauses

032. Combining sentences

033. Subject and object questions

034. Tag questions

035. Time expressions and prepositions

036. Dates

037. Indefinite article

038. Definite article

040. Adjectives and word order

039. Adjectives ending in -ed and -ing