For the ones who prefer shorter riddles ...
One-task Activity
Adjectives With The -ed Or -ing Suffix
Irregular Verbs Starting With Letters A-L
Irregular Verbs Starting With Letters M-Z
Gerund Or Infinitive
Second Conditional
Present Continuous | Quesions With Question Words
Present Perfect Continuous
In On Under
Question Tags
Past Perfect with Past Simple
Possessive Adjectives
Past Continuous
Past Continuous With Past Simple
Reported Questions | No Time Expressions
Reported Speech | No Time Expressions
Present Continuous
Question Forming | Present S | Present C | Past S | Past C | Can | Have To | Present Perf
Embedded Questions | IF | No Question Words
Can | Can't | Sentences and Questions
A or AN
Do or Does in Questions
Have Haven't Has Hasn't
First Conditional
Uncountable Nouns
Passive
Present Simple | Positives Negatives Questions
This | That | These | Those
This | That
These | Those
Going to
Past Simple | Irregular Verbs
Present Perfect
Present Perfect | Regular Verbs only
To be positive negative | Nationalities
Past Simple | Regular Verbs
Present Simple or Continuous
Was Were | Ordinal Numbers