Commercial relocation may at first appear complicate/complicated.

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Commercial relocation may at first appear complicated.

why does "complicate" not apply to the choice?

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In the sentence "Commercial relocation may at first appear complicated," the word "complicated" is used as an adjective to describe the noun "relocation." The adjective form "complicated" is correct because it describes the nature or state of commercial relocation as being complex or difficult.

On the other hand, "complicate" is a verb, which means to make something more complex or difficult. Using "complicate" in this context would be grammatically incorrect because the sentence requires an adjective, not a verb.

Here's a breakdown:

• Complicated (Adjective): Describes something that is complex or difficult.
  • Example: The instructions are complicated.

• Complicate (Verb): Means to make something more complex or difficult.
  • Example: The new rules will complicate the process.

In your sentence, "complicated" is the correct choice because it is describing the noun "relocation."

The dog appears to be growling. is the phrase a natural expression?

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Yes, "The dog appears to be growling" is a natural expression. It accurately communicates the observation that the dog seems to be emitting a growling sound.