She just had a baby.是过去式吗?She just had a baby.这句话是过去式吗?请问有just出现,一般是用过去式吗?还是要用完成时?

问题描述:

She just had a baby.是过去式吗?
She just had a baby.这句话是过去式吗?请问有just出现,一般是用过去式吗?还是要用完成时?