See [ss Duration].

- [ex 001 "I walked <u>[p en/for Duration]</u>/<u>#in</u> 20 minutes." "[exref 001 Duration]"]

- [ex 002 "I walked to<sub>[ss Goal]</sub> the store <u>[p en/in Duration]</u>/<u>[p en/within Duration]</u>/<u>#for</u> 20 minutes. [see [exref 005 Interval]]" "[exref 002 Duration]"]

- [ex 003 "I walked a mile <u>[p en/in Duration]</u>/<u>[p en/within Duration]</u>/<u>#for</u> 20 minutes." "[exref 003 Duration]"]

- [ex 004 "I mowed the lawn <u>[p en/for Duration]</u>/<u>[p en/in Duration]</u>/<u>[p en/within Duration]</u> an hour." "[exref 004 Duration]"]

- [ex 005 "I walked [p en/for Duration] the entire race. [the entire time of the race]" "[exref 005 Duration]"]

- [ex 006 "I walked <u>[p en/throughout Duration]</u>/<u>[p en/through Duration]</u>/<u>well [p en/into Duration]</u> the night." "[exref 006 Duration]"]

- [ex 007 "The deal was negotiated [p en/over Duration] (the course of) a year." "[exref 007 Duration]"]

- [ex 008 "John went to the store [p en/for Duration] an hour. [he spent an hour at the store, not an hour going there]" "[exref 009 Duration]"]

- [ex 009 "John left the party [p en/for Duration] an hour. [he spent an hour away from the party before returning]" "[exref 010 Duration]"]

- [ex 010 "I lifted weights [p en/for Duration] an hour. [many individual lifting acts collectively lasting an hour]" "[exref 011 Duration]"]

- [ex 011 "I walked to the store [p en/for Duration] a year. [over the course of a year, habitually went to the store by walking]" "[exref 012 Duration]"]

- [ex 012 "I reached the summit [p en/in Duration] 3 days. [it took not more than 3 days]" "[exref 012 Interval]"]

- [ex 013 "I had climbed 1000 feet [p en/in Duration] [a total of] 3 days." "[exref 013 Interval]"]

- [ex 014 "I fixed the engine [p en/in Duration] 3 days. [it took not more than 3 days]" "[exref 014 Interval]"]

- [ex 015 "I haven’t eaten <u>[p en/in Duration]</u>/<u>[p en/for Duration]</u> hours. [hours have passed since the last time I ate]  (<u>#When</u> haven’t you eaten?)" "[exref 015 Interval]"]

- [ex 016 "The deal was negotiated [p en/over Duration] (the course of) a year. ([ss Duration])" "[exref 016 Time]"]