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1、第三課時第三課時Section A(Grammar Focus3c)單元同步語法精講 表示頻率程度的副詞稱為頻度副詞。eg：always，usually，often，sometimes，seldom和never等。這些詞表示經(jīng)常性的動作或狀態(tài)，而不是某一具體動作，常用于一般現(xiàn)在時中。1頻度的區(qū)別always總是；一直；始終100%usually通常；經(jīng)常90%often常常；經(jīng)常70%sometimes有時；不時40%hardly ever幾乎從不；很少；難得5%never從不；決不0%2它們在句中的位置：頻率副詞在句中常位于be動詞、助動詞、情態(tài)動詞之后，實義動詞之前。sometimes有時

2、可位于句首或句末。3表示頻率的短語有：once/twice a week，three times a day，every week/year等。4對頻率副詞或短語提問用how often。5頻率副詞或短語常與一般現(xiàn)在時態(tài)連用。eg：I never eat meat.我從不吃肉。Jim usually does his homework in the evening.吉姆通常晚上做作業(yè)。Sally doesnt often watch TV at the weekend.薩利周末不?？措娨暋ow often do you eat fruit？你多久吃一次水果？單元同步語法強化訓(xùn)練一、單項選擇。

3、1If my friends have any problems，my door is_open to them.(2014，安徽)AneverBseldomCsometimesDalways2Did you go to the cinema last night?Oh，no.I_go to the cinema.The tickets，you know，are too expensive.(2014，寧波)Aalways Bhardly Cusually Doften3My sister_goes to bed early because she needs a lot of sleep e

4、very day.(2014，南昌)Aalways Bsometimes Chardly DneverD B A 4Li Ke_runs in the morning，for he wants to be healthy.(2014，成都)AneverBoftenChardly5How often do you go skating?_.I cant skate at all.(2014，溫州)AAlways BSometimesCSeldom DNever6Where shall we eat tonight？(2014，河南)Lets call Harry.He_knows the bes

5、t places to go.Aonly Bnearly Cnever Dalways7I_watch this TV program.Its very interesting.(2013，徐州)Aoften Bnever Chardly DseldomB D D A 8_do you go to the sports club?At least once a week.(2014，蘇州)AHow long BHow oftenCHow much DHow far9Look at the flowers I gave you last month.They are dying！_do you

6、water them?Sorry，I forgot to water them.(2014，菏澤)AHow long BHow oftenCHow soon DHow muchB B 二、按要求改寫句子。10The boy drinks milk once_a_day(對畫線部分提問)_ _ _the boy_milk?11She sleeps seven_hours every day.(對畫線部分提問)_ _ _does she sleep every day?12She usually watches TV in the evening.(變?yōu)橐话阋蓡柧?_she_ _TV in the evening?13Jean is having milk and bread for breakfast now.(用sometimes改寫句子)Jean_ _milk and bread for breakfast.14Alice always does her homework at 7 pm.(變?yōu)榉穸ň?Alice_ _ _her homework at 7 pm.How often does drink How many hours Does usually watch sometimes has hardlly ever does