Are These sentences grammatically correct?

How can i but "as william walking with his wife was seen"as a short sentnse

Screen addiction among teens: is there such a thing?

Read the excerpt and answer the question. the boards themselves seemed to remain upright not from being nailed together but rather from leaning together, like a house that a child might have constructed from cards. what best describes the figurative language in the sentence above? idiom simile onomatopoeia personification