past passive continuous
past passive continuous
continuous active passive
past passive是什么意思?
past continuous/present continuous/present perfect continuou
这些present continuous past third person singular
We use past continuous tense to
present simple,present continuous ,past simple ,past continu
怎么知道句子是past simple还是past continuous
put the verb into the past continuous or past simple
passive
请问英文中past continuous是指什么意思?
请问英文中past continuous是指什么意思