no
He is giving the lecture in a class
The teacher gave a lecture about the importance of agriculture.
Jody loves to lecture her friends on how brilliant WikiAnswers is.
The parents tried to lecture the disobedient child, but the child did not care.
The college professor gave the class a lecture on rare lizards.
a phrase
Since she knew what the lecture was about she didn't attend the meeting.A. the compound predicate:knew what the lecture was about*didn't attend the meetingD. The sentence does contain two noun phrases (a group of words based on a noun that functions as a noun in a sentence):the lecturethe meeting*Note: The verb 'was' is part of the dependent clause 'what the lecture was about', not a predicate of the sentence.
"Since she knew what the lecture was about" in the first sentence is replaced by the participle phrase "Knowing what the lecture was about" in the second sentence."Knowing" is the present participle of the verb "to know". Here it works like an adjective describing "she". She was a "knowing" woman. She was a "knowing-what-the-lecture-was-about" kind of woman.
The acoustics in the lecture room are terrible.
Example sentence - The resident physician was on vacation during the lecture series.
I go to university I have 10 lectures each week. There is a lecture tonight about global warming and it's consequences,
At the end of the lecture he gave a brief recap of its contents.