The correct answer is - (Before we left the camping grounds), we noticed a sign for the scenic trail.
An adverb clause functions the same way a simple adverb would - it describes the time, place, manner, etc. of the verb, of the action that is taking place. The only option that does this is C - <em>before we left the camping grounds </em>is an adverb clause which tells us when the action of <em>noticing a sign </em>happened.
Options A and B are adjective clauses; option D contains a noun clause.
Answer:
Climbing = Participle
To compete = Infinitive
Roasting = Gerund
Explanation:
Identifying the verb forms is very simple, first you must observe if the verb is accompanied by the expression "to", if the verb is accompanied by that expression, this verb is in the infinitive verb form, like the verb "to compete". After observing this, you must observe if the verb ends with the syllable "ing", if yes, the verb estarpa will be in the gerund form if it works as a noun, like the verb "roasting", otherwise it will be a Gerund verb. .
B. The rocks were closer to the photographer than the trees
