Образуйте от глаголов, данных в скобках, герундий, подчеркните его, переведите предложения на язык: no proper investigation is available without (to participate) an experienced militia officer. the success of any investigation depends on special (to train) and selection of militia officers. there is no use (to cry) over spilt milk (пословица).
The success of any investigations depends on special training and selection of militia officers.
There is no use crying over split milk