Bus - buses, class - classes, brush -- brushes, box - boxes, tomato -- tomatoes
read the theory and write the plurals.
1 one brush - two
2 one boy - two.
3 one girl - two
4 one box - two
5 one flag - two
6 one tomato - two
7 one bus - two.
8 one watch - three
• days of the week​

1. i must brush my teeth. - anyone, most likely some disobedient child.

2. i have to brush my teeth. - a patient of dentist's, a human with diseased tooth.

3. i must tidy my room. - anyone, most likely some disobedient child.

4.i have to tidy my room. - anyone, probably a child.

5. i must take the medicine. - someone with easy form of illness.

6. i have to take the medicine. - most likely, a regular patient

1.to test

2. -

3  to apply

4  to require

5   to fail

6  to fail