20 questions / Past simple/past perfect Past simple/Past continuous Past simple/past perfect past simple/past perfect
20 questions / Past simple/past perfect Past simple/Past continuous Past simple/past perfect past simple/past perfect
20 questions / Past simple/past perfect Past simple/Past continuous Past simple/past perfect past simple/past perfect
25 questions / Past simple/past perfect Past simple/Past continuous Past simple/past perfect past simple/past perfect Mix