写出下列单词的复数形式 1、this― 2、that― 3、he/she/it― 4、i― 5、is/am― 6、you― 7、friend―8、bus― 9、egg― 10、ruler― 11、pen― 12、book― 13、map― 14、apple― 15、cake― 16、teacher― 17、grade― 18、desk― 19、bus― 20、box―

1.these
2.those
3.they
4.we
5.are
6.you
7.friends
8.buses
9.eggs
10.rulers
11.pens
12.books
13.maps
14.apples
15.cakes
16.teachers
17.grades
18.desks
19.buses(与第8点重复了)
20.boxes

this-these that-those he/she/it-they i-we is/am-are you-you friend-friends bus-buses egg-eggs ruler-rulers pen-pens book-books map-maps apple-apples cake-cakes teacher-teachers grade-grades desk-desks bus-buses box-boxes

these those they we are you friends
buses eggs rulers ， pens books maps
apples cakes teachers grades desks buses buxes

1、this―these 2、that―those 3、he/she/it―they 4、i―my 5、is/am―are 6、you―yours 7、friend―friends
8、bus―buses 9、egg― eggs 10、ruler― rulers 11、pen― pens 12、book―books 13、map― maps 14、apple― apples 15、cake― cakes 16、teacher― teachers 17、grade― grades 18、desk―desks 19、bus― buses 20、box―boxes

these
those
them
we
are
you同形
friends
buses
eggs
rulers
pens
books
maps
apples
cakes
teachers
grades
desks
buses
boxex
你补充的部分都是加s和es的

1、these 2、those 3、they 4、we 5、are 6、you 7、friends 8、buses 9、eggs 10、rulers 11、pens 12、books 13、maps 14、 apples 15、cakes 16、teachers 17、grades 18、desks 19、buses 20、boxes