1.The teacher will question us on the use of present participles tomorrow.
明天老师要提问我们词的用法。
2.There are two types of participle in English: the past participle and the present participle.
英语中有两类词:过去词和词。
3.At the same time the required hypothesis of cohence and non-cohence between second-phase participle and grain boundary is also excluded when the model are worked out from the perspective of geometry.