Make up sentences: 1. this/since/film/i/ a child/ naven't/ i/ was/ seen 2. have/ many/ scientists/ things/ explored/ since/ began/ the spase era 3. since/ hasn't/ it/ stopped/ yesterday/ raining

1. I haven't seen this film simce I was a child.
2. Scientists have explored many things since the space era began.
3. It hasn't stopped raining since yesterday.