few（比较级）- fewer
pollute（名词）- pullution
build（名词）- building
fly（过去式）-flew
take（过去式）-took
fall（过去式）-fell
maybe（近义词）- perhaps/ probably
write（过去式）-wrote
little（比较级）-less
predict（名词）-prediction
think（过去式）-thought
pleasant（反义词）-terrible
factory（复数形式）-factories
possible（反义词）-impossible
wrong（反义词）-right
不明白的再问哟,请及时采纳,多谢!