(1)It was six.The Greens ____(have) sypper.(2)When you ____(knock) at the door yesterday,I ____(do)some washing.

(1)It was six.The Greens ____(have) sypper.(2)When you ____(knock) at the door yesterday,I ____(do)some washing.
(1)It was six.The Greens ____(have) sypper.(2)When you ____(knock) at the door yesterday,I ____(do)some washing.

(1)It was six.The Greens ____(have) sypper.(2)When you ____(knock) at the door yesterday,I ____(do)some washing.
had knocked was doing

(1)这是6。格林一家有sypper ____。(2)当你____(把)在敲门,我昨天____(做)洗衣服。

was having
knocked
was doing

have , knocked, was doing

1were having(the Greens格林一家人,用复数)
2knocked/ was doing