1.
If the actress is not famous, she will not be
given the leading part in this play.
2. I (would be) grateful if you (explained) to me the purpouse of this activity.
3. If Sam (were) stronger, he (would have won) this championship.
4. As soon as I (finish) my embroidery, I (will give) it as a present to my granny.
5. We (would know) English worse now, if we (had not practiced) it every day.