1.The teacher will question us on the use of present participles tomorrow.

1.明天老师要提问我们在分词的用法。

2.There are two types of participle in English: the past participle and the present participle.

2.英语有类分词:过去分词和在分词。

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.

3.同时，本文模开了从几何角度推导模必需的二相粒子与晶界之间的共格或非共格的假设。