B. GRAMMAR I. Rewrite the sentences. Use the words in brackets.
~ You can start training a few weeks before the marathon providing you’ve been running regularly for at
least a year before that. (on condition that)
...You can start training a few weeks before the marathon on condition that you’ve been running regularly
for at least a year before that...

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7. Don’t consider running a marathon if you aren’t in good physical condition. (unless)


8. Don’t leave training until just before the marathon because you might injure yourself. (in case)


9. Take time off from running every week or else your body will not have a chance to rest. (otherwise)


10. Provided that you train carefully, you can avoid injury. (as long as)


11. If you are sensible, you should run a marathon safely and successfully. (assuming)

7. Don't consider running a marathon unless you are in good physical condition.

8. Don't leave training until just before the marathon in case you might injure yourself.

9. Take time off from running every week otherwise, your body will not have a chance to rest.

10. As long as you train carefully, you can avoid injury.

11. Assuming you are sensible, you should run a marathon safely and successfully.

Explanation:

Rewriting the sentence using the words given in the brackets means structuring the sentence to retain the meaning but make a new sentence. The new sentences after their restructuring are given as below-

7. Don't consider running a marathon unless you are in good physical condition.

8. Don't leave training until just before the marathon in case you might injure yourself.

9. Take time off from running every week otherwise, your body will not have a chance to rest.

10. As long as you train carefully, you can avoid injury.

11. Assuming you are sensible, you should run a marathon safely and successfully.

they fear for their lives

they both lost a woman they loved named lenore

they believed they interracted with a talking raven

they became orphaned at a young age.