一般现在时的肯定句结构,否定句结构,一般疑问句结构,特殊疑问句结构大神们帮帮忙

一般现在时是英语中应用最广泛的时态之一,是中考复习的重点.它表示1)经常性、习惯性的动作或存在的状态.e.g.I go to school on foot.He is very busy now.2)表示主语的特征、性格、能力、爱好等.e.g.He can swim.I work hard.I like watching TV.3)表示客观真理 e.g.There are seven days in a week.The moon moves round the earth.其结构按正常语序,即“主语+谓语+其它”,有时为了起强调作用,时间状语也可提前.其句式变化可分为两种情况 1)表示动作,一般人称作主语的,变否定句须在动词前加助动词don’t；变一般疑问句须在句首加助动词do.E.g.They have lunch at 12:00.They don’t have lunch at 12:00.Do they have lunch at 12:00?2） 单三人称做主语的,变否定句须在动词前加助动词doesn’t；变一般疑问句须在句首加助动词does.E.g.Jenny speaks English very well.Jenny doesn’t speak English very well.Does Jenny speak English very well?含有be动词的要在be上做变化.E.g.Danny is a good student.Danny isn’t a good student.Is Danny a good student?其时间状语为often、 usually、 always、 sometimes等频率副词,on Saturdays、 in the morning(afternoon evening) 、every day 等.

some, any,表示一些,前者用于肯定陈述及委婉请求,后者用于否定句及一般疑问句;例: I have some books; Would you like some coffee? I don't have any books; Is there any coffee in your cup? some和any 既可以修饰可数名词又可以修饰不可数名词，some常用在肯定句中，而any则常用...