Раскройте скобки, употребляя требующуюся форму инфинитива 1. i am glad (to introduce) to you. 2. the box was (to handle) with care. you should (to ask) someone (to help) you. this might not (to happen)
1. I am glad to have been introduced to you. 2. The box was to be handled with care. You should have asked someone to help you. This might not have happened.