Where is one place a topic sentence should never be

Which verb from is used to indicate the perfect progressive tense

What reason does antigone give for her death being crueler than all the others?

He had fished in the river since ten years and he was a good fisherman. he know where to found the slim sliver chilwa fish, a big beautiful mahseer and the long moustache singhara. he know where the river was deep but where it is shallow; he knew which baits to use - which fish like worms and which liked gram. edit the above