since he lost his job ,he ______(stay)away from us.
had it not rained, we __(not get )wet.
i don't know what tense should it use .
could anybody tell me what tenses should i use and why we use the tenses.
what is the different between this two sentences.
After having obtained the forms that she needed , she filled it up and summitted it immediately.
After obtaining the forms that she needed,she filled it up and summitted it immediately.
could anybody answer me this problem in detail?