精品文档---下载后可任意编辑一般现在时基本知识一：一般现在时：表示常常性的事情。 时间状语：often 常常, usually 通常, always 总是， every 每个, sometimes 有时， at…在几点钟 只有第三人称单数用动词三单，其余动词均用原形 三单变化： 多数在动词后加 s play—plays like—likes 以s，x，sh，ch，o 结尾的动词加 es go—goes wash--washes 以辅音字母加 y 结尾，把 y 改 i 再加 es fly—flies二：基本结构：动词原形（如主语为第三人称单数，动词上要改为第三人称单数形式）三：否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加 don't,如主语为第三人称单数，则用 doesn't，同时还原行为动词。四：一般疑问句：把 be 动词放于句首；用助动词 do 提问，如主语为第三人称单数，则用 does，同时，还原行为动词。五：但是，动词 to be 和 to have 的一般现在时的形式特别如下：一般动词的词形变化 To be 的词形变化 To have 的词形变化I know it I am a student I have a pen.You know it. You are a student You have a penHe (she) knows it. He (she) is a student. He (she)has a pen.We (you,they) know it. We (you,they) are students. We (you,they) have pens.六：习题及部分答案一、写出下列动词的第三人称单数talk______forget______hope______stop______perform______p lay______ say______buy______worry______fly______study_______like_______make______ take______love_______recite_______become_______come_______drive_______ shine_______leave_____wake_______ride_______write_______hike______give______ see______swim______stop______shop_______plan______get_______ sit_______let_______cut_______run_______forget_______begin_______wash_____watch_______精品文档---下载后可任意编辑finish______teach_____fish_______reach_______go_______do_____二、用括号内动词的适当形式填空。1. He often ________(have) dinner at home. （答案：has）2. Daniel and Tommy _______(be) in Class One. （答案：are）3. We _______(not watch) TV on Monday. （答案：doesn’t watch）4. Nick _______(not go) to the zoo on Sunday. （答案：doesn’t go）...
