I never lied on my dad.
Because of the vicissitude of the weather this time of year, it is difficult to plan a picnic too far ahead.
As a noun: You should stay with us tonight, the fog is too thick to drive home safely.As a verb: If I don't get enough sleep, my brain will fogup making the exam even more difficult.
The error in the sentence is that "ahead of time" and "in advance" mean the same thing, it is a duplication. The sentence should read: I would like to be informed ahead of time. Or, I would like to be informed in advance.
He liked to work ahead of the class.
I finished the test ahead of time
The dense fog made it difficult to see more than a few feet ahead.
The city was covered in a thick blanket of smog, making it difficult to see more than a few feet ahead.
That is not so much a sentence as a news headline.The implied verb is "is", i.e. Netanyahu (is) ahead in Israel"
It could be with an apostrophe: A prosperous day's ahead. (day's = day is) Otherwise it is not a sentence at all, as there is no predicate.
When you can't look ahead, look by your side.
Why not? Regardless of the danger, I plunged ahead.
suddenly loomed ahead. Predicate is everything except the subject. The subject in this sentence is 'A steep mountain'