`1`. Those houses are big

`2`. They are a new bookshelf

`3`. What are those ? They are elephants

`4`. There are mangoes on the plate

`5`. Are those your pens ? - Yes, they are

`----------------------`

Cách chuyển từ dạng số ít sang số nhiều :

`-` That `to` those

`-` This `to` these

`-` Is `to` are

`-` N ( số ít ) `to` N ( số nhiều )

`-` It `to` they

$\color{#145277}{a}\color{#246483}{n}\color{#34768F} {n}\color{#44889B}{a}\color{#539AA7}{2}\color{#63ACB3} {0}\color{#73BEBF}{1}$

𝙼𝙿𝚑𝚞𝚘𝚌

$\\$

`1`. Those houses are big

`2`. They are new bookshelves

`3`. What are those? - They are elephants

`4`. There are mangoes on the plate

`5`. Are they your pens? - Yes, they are

`-----------`

`(+)` S + am/is/are + ... 

`(-)` S + am/is/are + not + ... 

`(?)` Am/is/are + S + ... ? 

`-` Wh_q + am/is/are + S + ... ?

`-` That `->` Those 

`-` This `->` These