朗文英语Welcome-to-English-1B-Unit-4-教学.ppt

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1、Unit4Moreaboutanimals.WalkingWalking.wordseatsleepfighthoprunswim.Whataretheydoing?.现在进行时定义：现在进行时表示现在正在进行或发生的动作。结构：主语be动词ving.现在进行时的变化规则1.直接加ing.如：play+ing→playing.sing+ing→singing.2.去掉不发音的e+ing.如：write去e+ing→writing3.重读闭音节，以辅音字母+元音字母+辅音字母结尾的词，要双写尾字母再加ing。如：run+n+i

2、ng→running.辅元辅.给小鸡找妈妈danceswimsing+ing双写+ing去e+ing.Heplayfootball.ising.Sheisreadingabook..Iamrunning...Listen!Thebirdissinging..TheywatchTV.areing.Themanrunisning..Theboyswimisming..Theteacherwriteising..Theydanceareing..Guess:Whataretheydoing?Let’splayagame:Whois

3、theguessingchampion?Arethey+v-ing…?Isit/he/she+v-ing…?.Whataretheydoingnow?.Whatisthecatdoing?.Whatisthecatdoing?.What’sshedoing?.Whataretheydoing?.Whatisthebeardoing?.GuessingGameWhatisthepigdoing?.GuessingGameWhatistheboydoing?.GuessingGameWhatisthegirldoing?.Pra

4、cticeHowmany……arethere?Thereare……Whataretheydoing?Theyare……注意单数时句型的变化........