中日韩va无码中文字幕_亚洲va中文字幕无码久_又粗又大又黄又刺激的免费视频_成年人国产免费网站

動(dòng)詞的語(yǔ)態(tài)和不定式
 
補(bǔ)充:
職稱英語(yǔ)常見(jiàn)動(dòng)詞時(shí)態(tài)與其通常對(duì)應(yīng)的時(shí)間狀語(yǔ)詞
 
 
一般現(xiàn)在時(shí)態(tài)(walk/walks)
always(總是), often(經(jīng)常), usually(通常), sometimes/at times/ now and then(有時(shí)), every/per week(day, year, month) (每/周/天/年/月), once/twice a week(每周一次/兩次), seldom/rarely (很少),now(現(xiàn)在) ,never(從不, 決不)
 
現(xiàn)在進(jìn)行時(shí)態(tài)(am/is/are + walking)
(時(shí)態(tài)通常意義為“正在”)
 
am/is/are + v-ing(go,come,drive,fly,travel,arrive,leave,start,set off(出發(fā)))表示按照“意圖”, “安排”將發(fā)生的動(dòng)作)
 
 
 
now(現(xiàn)在)at this time(在這個(gè)時(shí)候), these days(現(xiàn)在, 目前)
 
 
 
 
現(xiàn)在完成時(shí)態(tài)(has/have + walked)
(時(shí)態(tài)通常的意義為“已經(jīng), 一直”)
 
already(已經(jīng)), never(從不, 決不), ever(曾經(jīng)),just(剛剛), yet(還,仍然,before(以前),“for + 一段時(shí)間”, “since + 起點(diǎn)時(shí)間/從句(句子使用一般過(guò)去時(shí)態(tài))”,since then(從那以后一直), so far(到目前為止), up to now(到目前為止)
 
 
一般將來(lái)時(shí)(will/shall +  walk)
 
(時(shí)態(tài)通常的意義為“將, 將會(huì), 將要”)
tomorrow(明天),next week/month/year(下周/下個(gè)月/明年), in the future(在未來(lái)), “in + 一段時(shí)間” ,“when引導(dǎo)的時(shí)間狀語(yǔ)從句(從句時(shí)態(tài)為一般現(xiàn)在時(shí)態(tài))”,“if引導(dǎo)的條件狀語(yǔ)從句(從句時(shí)態(tài)為一般現(xiàn)在時(shí)態(tài))”
 
now:
now we are缺乏) money(錢(qián)). short of (
now he is answering接電話). the phone(
never:
he never speaks(說(shuō)) english in public(當(dāng)眾/).
i have never been(去) there.