`\text{1. is slepping }`

$\rightarrow$ HTTD - be quite ! - S số ít - is - Ving 

$\rightarrow$ S + tobe + Ving 

`\text{2. are skipping }`

$\rightarrow$ HTTD - look!- S số nhiều - are - Ving 

$\rightarrow$ S + tobe + Ving 

`\text{3. don't have }`

$\rightarrow$ HTD - S số nhiều - do (-) V 

$\rightarrow$ S + don't / doesn't + V 

`\text{4. does... do }`

$\rightarrow$ HTD - S số ít - câu hỏi - Đảo Does lên đầu - V nguyên 

$\rightarrow$ Do / does + S + V ? 

`\text{5. am having }`

$\rightarrow$ HTTD - now - S là I - am - Ving 

$\rightarrow$ S+ tobe + Ving 

`\text{6. wears }`

$\rightarrow$ HTD - S số ít - Vs/es

$\rightarrow$ S + Vs/es

`\text{7. walks }`

$\rightarrow$ HTD - every day - S số ít - Vs/es

$\rightarrow$ S+ Vs/es

`\text{8. are riding }`

$\rightarrow$ HTTD - now - S số nhiều - chỉ 2 ng - are - Ving 

$\rightarrow$ S + tobe + Ving 

`\text{9. love }`

$\rightarrow$ HTD - S số nhiều - V nguyên

$\rightarrow$ S + vs/es

`\text{10. is having }`

$\rightarrow$HTTD - at present - S số ít - is - Ving 

$\rightarrow$ S + tobe + Ving 

` HTTD `

` ( +) ` : S + Be + V-ing

` ( - ) ` : S + Be not + V-ing

` ( ?) ` : Be + S + V-ing ?

` DHNB `

` + ` Now

` + ` at present

` + ` at the moment

` + ` look !

` + ` listen !

` 1 ` : is sleeping

` 2 ` : are skipping

` 3 ` : don't have

` 4 ` : does -do

` 5 `  : am having

` 6 ` : wears

` 7 ` : walks

` 8 ` : are riding

` 9 ` : love

` 10 `: ishaving

Câu : ` 3 ` ; ` 4 ` ; ` 6 ` ; ` 7 ` Ta chia thì HTĐ :

` ( + ) ` : S + Vs/es

` ( - ) ` : S + don't / doesn't + V nguyên mẫu

` ( ? ) ` : DO / does + S + V nguyên mẫu ?