alone evidence prove it 作形式主语 一般过去时

alone children distance wander whenever 一般现在时 让步状语从句 from the bottom of one's heart

alone essay spend(spent spent) help sb. (to) do sth. it 作形式主语 动名词作主语 固定句型 情态动词(not)+动词原形 reflect on

alone wander find sb. doing sth. in the evening 现在分词作补足语 一般过去时 现在分词表示主动意义

alone although persuade travel change one's mind insist (that) 一般过去时 让步状语从句 表示建议、命令等动词后的宾语从句+(should) do

alone caution guy merely perfect positive promise rubbish unique wander 形容词的原级 可数名词的单复数

alone supply trust vegetable 名词词义辨析 形容词词义辨析