新概念英语第二册练习册所有答案和测试卷答案

Lesson 11: bbbab ccacc bd
Lesson 12: ccadd adacd aa
Lesson : 13 bdbca bbcaa ad
Lesson 14: bcacd bcbcb bb
Lesson 15: dbcbc dadcc cb
Lesson 16: aadab adadd da
Lesson 17: dbbdc cbaac ad
Lesson18 : Bdbdb cdcac cb
Lesson 19: Adccd bcbca cc
Lesson 20: Bcbbc bcacc da
Lesson 21 : cdcda cbbad cc
Lesson 22: dbddb dacda bb
Lesson 23: aaacc addbb ad
Lesson 24: baaca acccb ab
Lesson 25: cbbab cdbaa da
Lesson 26: adcbc ddabd bd
Lesson 27: dcddd baddc cc
Lesson 28: cdbbc dbdcd ba
Lesson 29: bccbd babbb cb
Lesson 30: aadab cccda dd
Lesson 31: dbaca adabc ac
Lesson 32: cccbb cadad bc
Lesson 33: dbdac bbccc ac
Lesson 34: dabca dcbcb ca
Lesson 35: adadd adaba dd
Lesson 36: addcd ccbad cc
Lesson 37: cbbbb dacdb ba
Lesson 38: bcaac bddba dd
Lesson 39: dacdd abacc ab
Lesson 40: ccbca acbbb bd
Lesson 41: aacdc bbada cb
Lesson 42: dddbb cddac da
Lesson 43: bbaad daccd ac
Lesson 44: cbccc bdaba bd
Lesson 45: bdabb dcbcb db
Lesson 46: acdda cbcad ca
Lesson 47: dabad aaddc ac
Lesson 48: cbcba cbbda bc
Lesson 49: dabab ccacc aa
Lesson 50: dbacc aadbb cd
Lesson 51: bcddd adcad db
Lesson 52: bccab dcbac bd
Lesson 53: cdacc cdcda cc
Lesson 54: dbdbd badcb dd
Lesson 55: aabda acabd ab
Lesson 56: cacca cabbc cc
Lesson 57: abbbb dcdcb da
Lesson 58: bdaac bdcad bd
Lesson 59: dbddd abada ab
Lesson 60: bacbc babac ad
Lesson 61: bacca dcabb dd
Lesson 62: addcd ccbda db
Lesson 63: dbaab ddacd ca
Lesson 64: ccccb bccab bb
Lesson 65: adbbc aadcc bd
Lesson 66: cbaad aabab ba
Lesson 67: daddd dbbad dd
Lesson 68: bbcdb bbccc aa
Lesson 69: abcbb ddaab cd
Lesson 70: dbccd bcacd dc
Lesson 71: bdbbc cdbbc ba
Lesson 72: acadb accdb ad
Lesson 73: cadac dadaa db
Lesson 74: baccd cacbc ab
Lesson 75: cabdb abbdd cc
Lesson 76: dbdaa bbacb dd
Lesson 77: acabc dddaa ba
Lesson 78: acbbc acbab ca
Lesson 79: bdcca dbada ac
Lesson 80: cbdad cadcc db
Lesson 81: daadb bdcbd bd
Lesson 82: abadc cdaac bd
Lesson 83: bacca bcbcd ab
Lesson 84: ccabd cccda cd
Lesson 85: ddbab abdbb dc
Lesson 86: bcabb bdcab bc
Lesson 87: cdcda ccada ad
Lesson 88: cbbcc abbcc cb
Lesson 89: aadad dadbd db
Lesson 90: bccca bcbad dd
Lesson 91: dbcbc dbbcb cb
Lesson 92: bcdcb abbad ca
Lesson 93: cdbac ccdcb db
Lesson 94: abcba dacda bc
Lesson 95: dabad cdcac dc
Lesson 96: dccba dcdab cbLesson 11: bbbab ccacc bd

情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语,只能和其他动词原形构成谓语.
情态动词数量不多,但用途广泛,主要有下列:
can (could),may (might),must,need,ought to,dare (dared),shall (should),will (would) .
情态动词的位置:
情态动词在句中放在谓语动词之前,谓语动词前若有助动词,则在助动词之前,疑问句中,情态动词则在主语之前.
情态动词的特点:
情态动词无人称和数的变化,情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加 "not".个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气,委婉的语气,时态性不强,可用于过去,现在或将来.
情态动词的用法:
can (could) 表示说话人能,可以,同意,准许,以及
客观条件许可,could 为 can 的过去式.
Must 必须,应该,一定,准是,表示说话人认为有必要做某事,命令,要求别人做某事以及对事物的推测.
must 用来指一般现在时和一般将来时,过去式可用 have to 的过去式代替.
must + have + 过去分词,表示现在对过去事物的推测.
must 和 have to 的区别:must 表示说话人的主观思想,have to 表示客观需要.
need 是一个情态动词,他的用法完全和其他情态动词一样,但 need 还可当作实义动词使用,这时 need 就象其他动词一样,有第三人称,单复数,后面加带 to 的动词等特性.
needn't + have + 过去分词 表示过去做了没必要做的事情.
dare 除用作情态动词外,更多的是当实义动词使用,用法同实义动词一样,要考虑人称,单复数,时态等.
ought 应当,应该 后面跟带有 to 的动词不定式.
ought + to have done 句型.指过去动作,表示一件事情该做而未做.
ought not to have done 句型.表示一件不该做的事情却做了.
will (would)决心,愿望.would 为 will 的过去式,
will,would用于疑问句表示说话人向对方提出请求或询问,用 would 比 will 更婉转,客气.
Shall,should表示命令,警告,允诺,征求,劝告,建议惊奇.
have to,不得不,必须,表示客观条件只能如此,而must 则表示主观思想必须.