1.Charles lives quite near his aunt's house (DOESN'T)
→Charles doesn't lives quite near his aunt's house
2. if you don't study hard , you will fail the exam (UNLESS)
→unless you don't study hard , you will fail the exam
3. The tortoise was running . The hare was sleeping . ( WHILE )
→The tortoise was running while the hare was sleeping
4. Can the little boy look after himself when his mother is away? ( TAKE )
→Can the little boy take care of himself when his mother is away?
5. It is not necessary for you to finish your assignment this evening ( NEED)
→you need to finish your assignment this evening