Weak is an adjective in that sentence. It describes the noun "answer".
The word 'in' would be a preposition in the example sentence you gave.
Gave is a verb. It's the past tense of give.
A noun. Ex: She gave me a task to do.
what happened in the past 87 years before lincolns speech
He gave a gold coin. -- in this sentence the direct object is gold coin.He gave the beggar a gold coin. -- in this sentence the beggar is the indirect object.Another example:My brother gave his girl friend some roses. -- to find the direct object ask the question - what did my brother give? - the answer is roses so roses is the direct object. His girlfriend is the indirect object.The indirect object often comes after for or to.He called a taxi for me.My brother gave some roses to his girlfriend.
She gave a terrific speech yesterday.
He gave a wonderful speech at his inauguration.
Free speech is a human right.The best man gave a speech at the wedding.
Your question cannot be answered because you did not tell the name of the speech nor who gave it.
The above is a simple declarative sentence.
"You gave the book to her" is a complete sentence made up of several parts of speech. You - pronoun gave - verb the - article book - noun to - preposition her - pronoun
The word 'in' would be a preposition in the example sentence you gave.
Dog
The man appeared deranged as he gave a speech to the traffic at the intersection.
He gave the speech in a confident manner.
After the speech the crowd gave a standing ovation.
My teacher gave us an unbelievable question.