1) If we....send.......(to send) an invitation, our friends.....will come......(to come) to our party.
2) He....doesn't understand .......(not/to understand) you if you will shidper (to whisper).
3) They.....don't survive.....(not/to survive) in the desert if they.....won't take......(not/to take) extra water with
them.
4) If you....press.......(to press) CTRL + s, you.....will save......(to save) the file.
5) You.....cross......(to cross) the Channel if you...will fly........(to fly) from Paris to London.
6) Fred....answers.......(to answer) the phone if his wife (to have) will have a bath.
7) If Claire.....wears......(to wear) this dress at the party, our guests.....won't stay......(not/to stay) any longer.
8) If I......touch.....(to touch) this snake, my girlfriend.....won't scream......(not/to scream).

=>

1. send

2. doesn't understand

3. don't survive

4. press

5. cross

6. answers

7. wears

8. touch