`4.`
- since + mốc thời gian
- for + khoảng thời gian
`1.` since
`2.` since
`3.` since
`4.` for
`5.` since
`6.` for
`7.` since
`8.` for
`9.` since
`10.` since
`II.`
`1.`
`1.` the funniest
`2.` the heaviest
`3.` the cutest
`4.` the most comfortable
`5.` the worst
`6.` the most difficult
`7.` the most saddest
`8.` the tidiest
`9.` the oldest
`10.` the strangest
`11.` The farthest/furthest
`12.` the most dangerous
`13.` the sunniest
`14.` the hottest
`15.` the latest
`16.` the nicest
`17.` the cheapest
`18.` the best
`19.` the most dangerous
`20.` the most beautiful