Joan is making a list of remarks to the attention of future seafarers. Rephrase the following sentences using a different modal must, can, may, might, should, for each one. 1.why don't you have two radio sets?................................ 2. It is essential to keep informed about the weather conditions. You...................................... 3. You will possibly have unexpected problems. You............................ 4. Do not forget to take a large supply of water. You.................................... 5. Staying awake for long periods is not a problem for you, I hope. I hope you.........................