$-$ drinks - is drinking
`->`usually ( dấu hiệu thì HTD )
`=>`He/She/It/DT ko dếm dc/DT số ít/Tên riêng + Vs/es
`->`now ( dấu hiệu thì HTTD )
`=>`He/She/It/DT ko dếm dc/DT số ít/Tên riêng + is
*CT thì HTD:
$+)$ S + Vs/es
$-)$ S + don't/doesn't + V-inf
$?)$ Do/Does + S + V-inf ?
*CT thì HTTD:
$+)$ S + is/are/am + V-ing
$-)$ S + is/are/am + not + V-ing
$?)$ Is/Are/Am + S + V-ing ?