搜搜做题作业网人教版八年级下册英语主要时态 还有复习要点…快期末了救命QAQ
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人教版八年级下册英语主要时态 还有复习要点…快期末了救命QAQ
这一册最重要的是：现完成时.其它学习内容请看看附件：这册和上册重要词组、句子等等,考试是连贯的.主要复习这些,及课本读熟形成语感.
现完成时用法 ：have(has)+过去分词(done)
1.概念：现完成时用来表示现之前已发生过或完成动作或状态,其结却和现有联系,也说,动作或状态发生过去影响现还存.
I have lost my wallet.(含义:现我没有钱花了.)
Jane has laid the table.(含义:已吃饭了.)
Michael has been ill.(含义:现仍虚弱)
He has returned from abroad. (含义:现已此地)
2. 现完成时用来表示发生过去某时刻,持续现情况,常与for,since连用.
Mary has been ill for three days.
I have lived here since 1998.
3. 现完成时往往同表示确定过去时间状语连用,already, yet, just, before, recently, lately等:
He has already obtained a scholarship.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet
4. 现完成时常常与表示频度时间状语连用,often, sometimes, ever, never, twice, on several occasion等:
Have you ever been to Beijing
I have never heard Bunny say anything against her.
I have used this pen only three times. It is still good.
George has met that gentleman on several occasions.
5. 现完成时还往往同包括现时间内时间状语连用,now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等:
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has bee too much rain in San Francisco this year.
The friendly relations and cooperation between our two countries have been enhanced in the past few years.
Up to the present everything has been successful.
6. 现完成时表示现之前业已完成动作,虽其效或影响仍存已再继续,有些现完成时句子,面加上for+段时间,则现完成时动作表示延续性.
Thomas has studied Russian. (现再学俄语)
Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.(同第2点用法第例句)
7. 现完成时还用来表示过去时间现段时间内重复发生动作.
We have had four texts this semester.
现完成时完成用法和未完成用法 1.现完成时"完成用法" 现完成时"完成用法"指动作发生过去某时刻并已结束该动作对现产生了影响与现情况具有因关系 例：He has turned off the light.已把灯关了(动作结束于过去说明现情况--灯现亮了) 现完成时"完成用法"特点动作延续因此该时态只能与表示定过去时间状语(：alreadyyetbeforerecently等)、频度时间状语(：nevereveronce等)、包括现时刻内时间状语(：this morning ／ month ／year...today等)连用 例： Have you found your pen yet已找钢笔了 2.现完成时"未完成用法" 现完成时"未完成用法"指动作开始于过去某时刻直延续现或能还要继续下去 例：He has lived here since 1978.自从1978年来直住儿(动作起始于1978年直住现能还要继续住下去) I have been in the army for more than 5 years.我部队已经呆了五年多了(动作开始于5年前直延续至今有能还要继续下去) 此种用法句常需表示段时间状语(由since或for引导)或表示与现时刻相连时间状语(：up to nowso far)等 例：I have heard nothing from him up to now.目前止我没有任何消息 注意：(1)现完成时未完成用法只适用于延续性动词用于终止性动词即瞬间完成或延续时间短动词：comegoarriveleavejoinbecomedie等 (2)现完成时常见两种句型： ①主语＋have / has been＋for短语 ②It is＋段时间＋ since从句 例：He has been in the League for three years.或It is three years since he joined the League. 入团已三年了
.have/has been doing sth.
1.现完成进行时
当面接有段时间词时,或加表示时间词时,用现完成时.件事现还持续或还做,则用
现完成进行时.
:I have been skating for 4 hours.
I have finished my homework.
2.现完成时被动语态.
接动词过去分词.
:The building has been built for 5 years.
二.般现时:用动词原形
般过去时:用动词过去式
般来时:will/shall+do
is/am/are going to do
过去来时:could/would do
现完成时:have/has done
过去完成时:had done
来完成时:shall have done
过去来完成时:would/could have done
现进行时:is/am/are doing
过去进行时:was/were doing
来进行时:will/shall be doing
过去来进行时:would/could be doing
现完成进行时:have/has been doing
过去完成进行时:had been doing
来完成进行时:shall have been doing
过去来完成进行时:would have been doing--------------------------------------------------------------------------希望我给你的回答,对你的学习有帮助.
祝你学习进步、学习快乐.
现完成时用法 ：have(has)+过去分词(done)
1.概念：现完成时用来表示现之前已发生过或完成动作或状态,其结却和现有联系,也说,动作或状态发生过去影响现还存.
I have lost my wallet.(含义:现我没有钱花了.)
Jane has laid the table.(含义:已吃饭了.)
Michael has been ill.(含义:现仍虚弱)
He has returned from abroad. (含义:现已此地)
2. 现完成时用来表示发生过去某时刻,持续现情况,常与for,since连用.
Mary has been ill for three days.
I have lived here since 1998.
3. 现完成时往往同表示确定过去时间状语连用,already, yet, just, before, recently, lately等:
He has already obtained a scholarship.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet
4. 现完成时常常与表示频度时间状语连用,often, sometimes, ever, never, twice, on several occasion等:
Have you ever been to Beijing
I have never heard Bunny say anything against her.
I have used this pen only three times. It is still good.
George has met that gentleman on several occasions.
5. 现完成时还往往同包括现时间内时间状语连用,now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等:
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has bee too much rain in San Francisco this year.
The friendly relations and cooperation between our two countries have been enhanced in the past few years.
Up to the present everything has been successful.
6. 现完成时表示现之前业已完成动作,虽其效或影响仍存已再继续,有些现完成时句子,面加上for+段时间,则现完成时动作表示延续性.
Thomas has studied Russian. (现再学俄语)
Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.(同第2点用法第例句)
7. 现完成时还用来表示过去时间现段时间内重复发生动作.
We have had four texts this semester.
现完成时完成用法和未完成用法 1.现完成时"完成用法" 现完成时"完成用法"指动作发生过去某时刻并已结束该动作对现产生了影响与现情况具有因关系 例：He has turned off the light.已把灯关了(动作结束于过去说明现情况--灯现亮了) 现完成时"完成用法"特点动作延续因此该时态只能与表示定过去时间状语(：alreadyyetbeforerecently等)、频度时间状语(：nevereveronce等)、包括现时刻内时间状语(：this morning ／ month ／year...today等)连用 例： Have you found your pen yet已找钢笔了 2.现完成时"未完成用法" 现完成时"未完成用法"指动作开始于过去某时刻直延续现或能还要继续下去 例：He has lived here since 1978.自从1978年来直住儿(动作起始于1978年直住现能还要继续住下去) I have been in the army for more than 5 years.我部队已经呆了五年多了(动作开始于5年前直延续至今有能还要继续下去) 此种用法句常需表示段时间状语(由since或for引导)或表示与现时刻相连时间状语(：up to nowso far)等 例：I have heard nothing from him up to now.目前止我没有任何消息 注意：(1)现完成时未完成用法只适用于延续性动词用于终止性动词即瞬间完成或延续时间短动词：comegoarriveleavejoinbecomedie等 (2)现完成时常见两种句型： ①主语＋have / has been＋for短语 ②It is＋段时间＋ since从句 例：He has been in the League for three years.或It is three years since he joined the League. 入团已三年了
.have/has been doing sth.
1.现完成进行时
当面接有段时间词时,或加表示时间词时,用现完成时.件事现还持续或还做,则用
现完成进行时.
:I have been skating for 4 hours.
I have finished my homework.
2.现完成时被动语态.
接动词过去分词.
:The building has been built for 5 years.
二.般现时:用动词原形
般过去时:用动词过去式
般来时:will/shall+do
is/am/are going to do
过去来时:could/would do
现完成时:have/has done
过去完成时:had done
来完成时:shall have done
过去来完成时:would/could have done
现进行时:is/am/are doing
过去进行时:was/were doing
来进行时:will/shall be doing
过去来进行时:would/could be doing
现完成进行时:have/has been doing
过去完成进行时:had been doing
来完成进行时:shall have been doing
过去来完成进行时:would have been doing--------------------------------------------------------------------------希望我给你的回答,对你的学习有帮助.
祝你学习进步、学习快乐.