In part means partly: the delay was caused in part by a shortage of drivers, and by other things too. It names one of several reasons or a share of the contribution: funded in part by local businesses. It sounds a bit more formal than partly and works well in essays and reports.
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in part because + clause / in part due to + noun / funded in part by + source
- The delay was caused in part by a shortage of drivers.
- The exhibition is funded in part by local businesses.
- I chose the evening course in part because it includes small group discussions.
What changed
First versionAttendance fell in parts because the last bus left before the concert ended.
RevisionAttendance fell in part because the last bus left before the concert ended.
There were several reasons, so the plural parts seems logical. But to mean partly, you need part with no s and no article: in part because. In parts means in some places, or in pieces.
In parts means in places or in sections: the film is funny in parts; the story was published in parts. In part means partly: I left in part because of the noise. For the most part is the opposite: mostly.
Your turn
Choose the expression meaning partly: The repair was funded in ___ by donations.
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part — You need part: in part means partly, because donations covered only some of the repair. In parts would mean in sections.
Name one of the reasons for a decision you made, leaving room for others. Use in part because.
We chose this venue in part because it has a quiet room for children.
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