She (just/ Finish)......her work I ( alredy / buy)......the ticked cám ơn nha

$\text{1.}$ has just finished

$\text{–}$ DHNB: just

$\text{2.}$ have already bought 

$\text{–}$ DHNB: already

$\text{— — — — — — — — }$

$\text{৹}$ Thì HTHT:

$\text{(+)}$ S $\text{+}$ has/have $\text{+}$ V3/ed

$\text{(–)}$ S $\text{+}$ has/have $\text{+}$ not $\text{+}$ V3/ed

$\text{(?)}$ Have/Has $\text{+}$ S $\text{+}$ V3/ed......?

$\text{=}$ He/She/It/N số ít $\rightarrow$ has

$\text{=}$ I/We/You/They/N số nhiều $\rightarrow$ do/V(inf)/have 

$\rightarrow$ $\textit{DHNB:}$ yet, already , just, since $\text{+}$ mốc thời gian, for $\text{+}$ khoảng thời gian,..