At home means ‘in ones own place’. No article is used before the expression.
- Is anybody at home? (NOT --- at the home?)
At is often dropped.
- Is anybody home?
Home (without to) can be used as an adverb referring to direction.
- Let us go home. (NOT --- to home.)
- We spend the weekend at the Smiths.
...hardly ...when/before ...
Have or have got
Have vs Having
Hear and listen
He, she or they
How and what like?
However, yet, still, though
How ever and however
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