Why is below sentence has 'have to' written? Is it wrong if it's omitted?
Maybe you’re a renter, and you don’t want to replace your whole lock only to have to move it again later.
If you "have to" do something, it means that you are required, or obliged, or compelled to do it. If you remove "have to" from the sentence then that sense is lost.
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If you "have to" do something, it means that you are required, or obliged, or compelled to do it. If you remove "have to" from the sentence then that sense is lost.