This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.

why would we not want to help each other ?
why should n't we help ?

i very much doubt if they 'd have the technical knowledge necessary . '
i doubt very much that they would have the necessary technical expertise. ''

his small face was more tense and paler than she liked in the close and cozy glow of the goosenecked lamp they had put in his room .
his face was more tense in an intimate and pleasant light , and paler than she might have enjoyed .