1.my mom doesn't mind cooking dinner or ordering food

s + don't/doesn't mind + v-ing

2.peter speaks english less fluently than tom

than`=>` so sánh hơn

`->` CT: s1 + v + adv-er + than + s2 `<=>` s2 + v + less + adv + than + s1

hoặc s2 + don't/doesn't + v + as + adv + as + s1

3.living in the city is more convenient than living in the countryside

as convenient as `->` so sánh không bằng

`=>`CT

s1 + be + not as + adj + as + s2 `<=> `s2 + be + more + adj + than + s1