4.1 Rewriting the sentence in the future tense:

4.1 Rewriting the sentence in the future tense:
Wearing a correctly secure seatbelt will be important for safety.

4.2 Changing the sentence into the past tense:
Wearing a seatbelt prevented many of these violent ejections.

4.3 Writing the correct form of the underlined word:
If the occupant of the car is quickly ejected, the chances of survival are significantly decreased.

4.4 Identifying four nouns in the sentence:
Scientists, seatbelts, crashes, occupants.

4.5 Rewriting the sentence in the passive voice:
The risk of serious injury is reduced by seatbelts.