EX1:

$\text{1.}$ catch

$\text{→}$ I thì V giữ nguyên

$\text{2.}$ wears

$\text{→}$ he là số ít nên wear thêm -s

$\text{3.}$ drink

$\text{→}$ they là số nhiều V giữ nguyên

$\text{4.}$ goes

$\text{→}$ Lucy là số ít go thêm -es

$\text{5.}$ has

$\text{→}$ she là số ít have chuyển thành has

$\text{6.}$ cut

$\text{→}$ Mary và Marcus là số nhiều nên V giữ nguyên

$\text{7.}$ watches

$\text{→}$ Mark là số ít watch thêm -es

$\text{8.}$ teaches

$\text{→}$ she là số ít teach thêm -es

Ex 2:

$\text{1.}$ doesn't study

$\text{2.}$ is having

$\text{→}$ today chia HTTD

$\text{3.}$ have

$\text{→}$ usually chia HTD

$\text{4.}$ doesn't study

$\text{5.}$ teaches

$\text{→}$ often chia HTD

$\text{6.}$ likes

$\text{7.}$ washes

$\text{→}$ every day chia HTD

$\text{8.}$ don't have

$\text{→}$ every + time chia HTD

$\text{9.}$ has

$\text{10.}$ is

$\text{11.}$ is

$\text{12.}$ likes

$\text{13.}$ never bites

$\text{→}$ never chia HTD

$\text{14.}$ barks

$\text{→}$ sometimes chia HTD

$\text{15.}$ is

$\text{16.}$ doesn't like

$\text{17.}$ often plays

$\text{→}$ often chia HTD

$\text{18.}$ becomes

$\text{19.}$ just sleeps

$\text{20.}$ plays

$\text{→}$ every chia HTD

$\text{21.}$ are

$\text{→}$ people là số nhiều nên be chia are

$\text{22.}$ doesn't let

$\text{23.}$ often takes

$\text{→}$ often chia HTD

$\text{24.}$ is sometimes

$\text{→}$ somtimes chia HTD

ex1:

1, catch

2, wears

3, drink

4, goes

5, has

7, watches

8, teachers

ex2:

(1) doesn't study

(2) has

(3) have

(4) doesn't study

(5) teaches

(6) likes

(7) washes

(8) don't have

(9) has

(10) is

(11) is

(12) likes

(13) never bites

(14) barks

(15) is

(16) doesn't like'

(17) often plays

(18) becomes

(19) just sleeps

(20) plays

(21) are

(22) doesn't let

(23) often takes

(24) is sometimes

Xin ctlhn vs !~