[lemma=in]? [tag=CD] [word=years] □ □
[lemma=in]? [tag=CD] [word=years] □? □
[lemma=in]? [tag=CD] [word=years] □+ □
Over the course of three years , our belief in Mr. Loh has moved from ironic to partly heartfelt . Over the last 2-3 years , our team has developed and refined a process for building these machines . Over the past 5 years , our lab group has concentrated on how global change factors , particularly elevated atmospheric CO2 , affect the structure and function of desert ecosystems . For nearly 100 years , our government has grappled with the issues of campaign financing . At the very least it will take ten years to build these schools and those ten years our population growth will add another seven million children needing another one hundred thousand schools " , he said .