Answer :

`->`I haven't watered the cabbages in my garden since yesterday monring.

`->`It's yesterday morning since I last watered the cabbages in my garden.

`->`The last time I watered the cabbages in my garden was yesterday morning.

`@`Form : 

S + last + V2/ed + time ( thời gian trong quá khứ )

`=`S + have/has not + Vpp + since/for + time

`=`It’s + time + since + S ( last ) + V2/ed

`=`The last time + S + V2/ed + was + time

`color{lime}{#pha}`

Answer:

I last watered the cabbages in my garden yesterday morning

`=>` I haven't watered the cabbages in the garden since yesterday morning

`=>` It's yesterday morning since I last watered the cabbages in my garden

`=>` The last time I watered the cabbages in my garden was yesterday morning

`-------------------`

S + last + V-ed/V2 + time/O

`->` S + haven't/hasn't + V-ed/V3 + since ( + mốc thời gian )/for ( + khoảng thời gian ) + O

`->` It’s + time + since + S + V-ed/V2 + O

`->` The last time + S + V-ed/V2 + was + time/O