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topsage
com 新概念英语第二册语法精粹及练习(一)新概念二册语法精粹一、一般现在时一、一般现在时:1.构成:使用动词原形,第三人称单数须有变化
(1)直接加 “s”,works ,takes (2)以辅音加 “y”结尾,变 “y”为 “i ”,再加 “es”,carry → carries (3)以 “o, s, x, ch, sh”结尾的动词加 “es”, goes dresses watches brushes 2.功能:(1)表现在的事实、状态或动作:eg: Birds fly
She loves music
Mary's parents get up very early
(2)表习惯性动作或职业,常与 often ,sometimes ,usually ,always ,every week ,seldom ,occasionally ,frequently等时间副词连用
eg: I always take a walk after supper
She writes to me very often
Tom and his girlfriend go out to take a picnic occasionally
(3)表客观真理,格言警句或事实:The earth moves round the sun
The sun rises in the east and sets in the west
大家论坛club
topsage
com Two and two makes four
No man but errs
人非圣贤,熟能无过
(4)表将来:A.在由 when , after, before , as, as soon as , although , because ,if,even if