Its hard to perceive something when you don't understand it or when something is long and you put it off your brain makes it think it doesn't know the answer.
I perceive that he was telling me lies.
i perceive myself to be rather energetic....?!
A compound subject for impact would have to be two words that are subjects in the beginning of the sentence and the word impact would have to be in the sentence somewhere.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
This sentence is precise. + It is also a compound sentence.= This sentence is precise and it is a compound sentence.
This dense fog is making it impossible to perceive the road. Yes, I can perceive the sailboat now.
"The mist and fog make it hard to perceive who's coming."
A sentence with a compound word is, He was excited about signing up to play football.
Don't worry i do not no this answer either
The couple had a discrepancy with their repair bill.
He tinkered the toilet and he cleaned the sink.
There is no open compound in your question/sentence. An open compound word is a compound word with a space in it, e.g. hang out