Cấu trúc chủ yếu : Thì HTĐ :

`-` CKĐ : S + V s / es / không s , es

`-` CPĐ : S + don't / doesn't + V

`-` CNV : Do / Does + S + V ?

`=>` `DHNB` : sometimes , never , always , usually , ...

`1`.He sometimes plays golf on Sundays

`2`.The weather is always bad in November

`3`.We seldom have fish for dinner

`4`.Peter doesn't usually get up before seven

`5`.They never watch TV in the afternoon 

`6`.My brother , Tony , is rarely late for interview

`7`.He always helps his father

`8`.How often do you go shopping ?

`9`.I hardly do my homework after school

`10`.The school bus arrives at seven everyday

`\text{@ TheFox}`

`1.` He sometimes plays golf on Sundays.

`2.` The weather is always bad in November. 

`3.` We seldom have fish for dinner.

`4.` Peter doesn’t usually get up before seven.

`5.` They never watch TV in the afternoon

`6.` My brother, Tony, is rarely late for interview. 

`7.` He always helps his father 

`8.` How often do you go shopping? 

`-` How often: bao lâu

`9.` I hardly do my homework after school 

`-` hardly mang nghĩa phủ định `=>` đằng sau không cần thêm not

`10.` The school bus arrives at seven every day

`-` Cấu trúc thì HTĐ

`(+)` S + V(s/es) + O

`(-)` S + do/ does + not + Vinf

`(?)` Do/ does + S + Vinf..?

`-` DHNB: always, sometimes, usually, never,....

`-` Vị trí của trạng từ chỉ tần suất

`1.` Trước động từ thường

`2.` Đứng sau động từ tobe

`3.` Đứng sau trợ động từ