■進行形
[問1].They are (sit) at the corner.(語形変化)

[答1]sitting

[問2]進行形が近い未来を表す動詞(2つ)

[答2]go, come

[問3]進行形にならない動詞(5つ)

[答3]have, know, want, like, live

[問4]They sit there.(過去進行形に

[答4]They were sitting there.

[問5]make, write, take の ing形

[答5]making, writing, taking

[問6]ing 形で語尾を重ねる動詞(5つ)

[答6]run, swim, stop, sit, get

[問7]He is writing a letter.(疑問文に)

[答7]Is he writing a letter ?

[問8]She was looking at something.(否定文に)

[答8]She wasn't looking at anything.