III. Put the verbs in parentheses into the correct form.
28) If someone (walk).................................. in here with a gun, I would be very frightened.
29) I’m sure he (understand) .................................... if you explain the situation to her.
30) If she hadn’t walked to the meeting, she (not be)................................... late.
31) He always (complain) .................................... if I’m late.
32) If he spoke more clearly, we (understand) ................................... him.
33) If the woman (say) ................................ what she wanted, I wouldn’t have put the phone down.
34) If they arrived in time, they (see) ................................. the ceremony.
35) If you (ask).................................... me, I would explain it to you.