歡迎來到英語課堂歡迎來到英語課堂第三課時第三課時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?。How 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。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 every 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 best 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 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 安全小貼上課間活動注意安全