含义:表示现在正在进行或一段时间正在进行的动作标志词:now,look,listen等
构成:be+V-ing现在进行时的含义与构成Heisreadingabook
V-ing变化规则:1)一般加ing
如:play----playingwatch----watching2)以不发音的e结尾,去e加ing
如:take----takingcome---coming3)元+辅结尾,且是重读闭音节的单词,双写辅音字母+ing
如:run----runningswim----swimming动词的现在分词的构成:动词特征变化例词一般动词直接加-inglook-lookingwatch-watching以e结尾去e加-ingcome-comingmove-moving以重读闭音节或r音节结尾,且末尾只有一个辅音字母先双写该辅音字母,再加-ingswim-swimmingrun-running以ie结尾且为重读开音节变ie加y再加ingdie-dyinglie-lying练习1
写出下列动词的ing形式
help_________2
come_________3
swim_________4
eat__________5
give________6
find_______7
sit________8
write________Whatishedoing
Heisplayingbasketball
Whatistheboydoing
Heissinging
---Isthewomanwriting
----No,sheisn’t
Sheisreadingabook
----What’retheydoing
----They’reswimming
----Aretheyswimming
----Yes,theyare
---Aretheysinging
---No,the