辨析时间介词on,in和at 还有how often,how long和how soon every day和everyday 一共三组

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 22:46:34
辨析时间介词on,in和at 还有how often,how long和how soon every day和everyday 一共三组

辨析时间介词on,in和at 还有how often,how long和how soon every day和everyday 一共三组
辨析时间介词on,in和at 还有how often,how long和how soon every day和everyday 一共三组

辨析时间介词on,in和at 还有how often,how long和how soon every day和everyday 一共三组
1.on和in
“on”用于“具体的某一天“或者”“一个特定的时间”,或者是特定的早晨,中午下午,如on 1st October,on a rainy day,on the morning of his arrival
“in”用于“较长的时间”,如in the 1980s,in the morning
2.how often how long和how soon
“how long”指“多长时间”,主要用来对一段时间的提问,如how long have you known her?(你认识他有多久了),回答是 for 3 days(三天了)
“how often”指“每隔多久”,主要用来对频度副词或状语的提问,如how often does he come here?(他每隔多久来?),回答是 once a week(每隔一周)
“how soon”指“再过多久”,主要是用来对将来时间的提问,如how soon will he be back?(他多久会回来?),回答是 in a week(一周内)
3.every day和everyday
“everyday”形容词:每天的,日常的,平常的,平凡的 例:a suit for everyday wear.适合平日里穿的衣服
“every day”通常做“每天”解作状语时,省掉介词(in),表示频率.I go to school every day.我每天上学 He exercises every day.他每天锻炼