“She turned her paper into the teacher.”
Grammar Entry 626 / 1011 60-second read
Into vs. In to
Motion versus separate prep + adverb.
The comparisoni
“She turned her paper in to the teacher.”
The ruleii
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INTO = motion or transformation. IN TO = separate words.
INTO (one word) denotes movement inward or transformation. IN TO (two words) is "in" followed by a separate "to" (often as infinitive marker).
Memory aidiii
Remember it like this
Handed IN (to the teacher).