`1.` lovely

`\text{adj + noun}`

`2.` beatiful

`\text{be + adv+  adj}`

`3.` happily

`\text{V + adv}`

`4.` expensive

`\text{So sánh hơn với long adj: S + be + more + long adj + than + O}`

`5.` expensive

`\text{be+ adj}`

`6.` farmer

`'text{mạo từ + noun}`

`7.` diffrent

`\text{different from: khác với}`

`8.` unhappy

`\text{be+ adj}`

`\text{unhappy(adj): buồn}`

`9.` comfortable

`\text{be + as + adj + as + O}`

`10.` invitational 

`\text{adj + noun}`

`11.` favourite

`\text{adj + noun}`

`12.` more beautiful

`\text{So sánh hơn với long adj: S + be + more + long adj + than + O}`

`13.` classmates

`\text{tính từ sở hữu + noun}`

`\text{all + plural noun}`

`14. invite

`\text{will + Vinf +...}`

`15.` worried

`\text{be+ adj}`

`16.` best

`\text{So sánh nhất với adj ngắn: S + be + the + adj-est + (O)}`

`\text{good - better - best}`

`17.` comfortable

`\text{be + adv + adj}`

`18.` diffrent

`\text{be + adj}`

`\text{different from: khác với}`