这是两个句子?
第一个句子用过去进行时不合适。
1,I was making a phone with Jack once or twice.(过去进行时)I just made a phone with Jack once or twice.(一般过去时 更合适)
2,I was hearing the sing of a bird on the tree.(过去进行时)
I have just called jack for one or two times and I heard a bird was singing on the tree.
I just gave Jack one or two times on the phone; I heard a bird singing in the tree
i only called jake twice
i heard a bird was singing in a tree