just
just now有三个意思：“片刻以前”、“眼下”和“片刻以后”。第一个意思用在过去时态，第二个意思用在现在时态，第三个意思用在将来时态。例如：
She was here just now.
I can do nothing just now.
I shan't write to him just now.
注意：第一个意思不可用在完成时态，如不可说He has been here just now。第二个意思主要用在美国。
just 的用法及固定搭配
just
just now有三个意思：“片刻以前”、“眼下”和“片刻以后”。第一个意思用在过去时态，第二个意思用在现在时态，第三个意思用在将来时态。例如：
She was here just now.
I can do nothing just now.
I shan't write to him just now.
注意：第一个意思不可用在完成时态，如不可说He has been here just now。第二个意思主要用在美国。