动词词形变化一览表：规则动词变化表：规则变化原形动词结尾情况现在时单三人称现 在 分 词过去式和过去分词一般情况+s +ing +ed s,x,ch,sh,o结尾+es +ing +ed 辅音字母 +y 结尾y→i,+es +ing y→i,+ed 重读闭音节一元一辅结尾+s 双写辅音字母 ,+ing双写辅音字母 ,+ed不发音的 e 结尾+s 去掉 e,+ing+d ie 结尾+s ie→y,+ing +d 不规则变化have→has；be→is (无) (见不规则动词变化表) 注意：①在加ing 或 ed 时动词如果以“r”结尾 ,尾音节又重读的动词,“r”应双写。②s/es的读音规则：在清辅音后读[ s]；在浊辅音后和元音后读[z]；在 [ s ]、[z]后读 [ iz]. ③ed 的读音规则：在清辅音后读[t]；在浊辅音后和元音后读[d]；在 [t]、[d]后读 [id]. be(“是 /存在” )动词的各种时态变化：一 般 现 在 时一 般 将 来 时现 在 完 成 时I am ⋯.You are.⋯He/She/It is⋯.We/You/They are⋯.(I 等各人称 ) will be⋯.I am He/She/It is going to be We/You/They are I have been⋯.You have been⋯.She/he/It has been⋯.We/You/They have been⋯.一 般 过 去 时过 去 将 来 时过 去 完 成 时I was ⋯.You were. ⋯He/She/It was⋯.We/You/They were⋯. (I 等各人称 ) would be⋯.I was He/She/It was going to b We/You/They were I had been⋯.You had been⋯.She/he/It had been⋯.We/You/They had been⋯.注意：句型变化时, 否定句在 am /is /are /will /have /has /was /were /had /would 后面加 not,而且 not 都可以缩写为n’ t (am 后面 not 不可以缩写 )；疑问句将 am /is /are /will /have /has /was /were /had /would 提前到句首。其它 谓语 动词 (主动语态 )的时态变化一览表：现在时态一 般 现 在 时现 在 进 行 时一 般 将 来 时现 在 完 成 时谓语动词构成动词用原形 (单三加 s / es) (问句和否定句借用助词 do / does) am is +动词 -ing arewill + 动词原形am is +going to+动原形arehave +过去分词has过去时态一 般 过 去 时过 去 进 行 时过 去 将 来 时过 去 完 成 时谓语动词构成动词用过去式(问句和否定句借用助词 did) was +动词 -ing werewould + 动词原形was +going to+动原形werehad +过...
