MUST + HAVE +V3: Past. CERTAINTY, POSITIVE ASSUMPTION , CAN'T + HAVE +V3: Past. CERTAINTY, but NEGATIVE ASSUMPTION, SHOULD + HAVE + V3: Past. EXPECTATION + CRITISISM , COULD/MAY/MIGHT/ + HAVE + V3: Past. UNCERTAINTY,

Modals SPECULATION DEDUCTION function

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?