时态问题

主语+do/does(现在分词) 2、一般过去时:主语+did 3、现在进行时:主语+am/is/are doing 4、过去进行时:was/were doing 5、现在完成时:have/has done 6、过去完成时:had done 7、一般将来时:will do/ 8、过去将来时:was/were to /would do 【英语时态】英语学习中不少人可能遇到时态问题，...

过去将来进行时，过去将来完成进行时六种一般现在时，一般过去时，一般将来时，现在进行时，现在完成时，过去完成时英语共有16种时态，分为一般现在时（do），一般过去时（did），一般将来时（will do)，现在进行时(is/am/are doing)，过去进行时(was/were doing)，将来进行时(可与一般将来时换用，...

1、现在完成时：have/has+done 2、过去完成时：had+done 3、现在进行时态：be动词＋doing 4、过去进行时（被动语态）：was／were＋doing 5、一般现在时：do、does 6、一般过去时：did

2. Keep stirring the tea until the sugar has dissolved.3. My computer had been working fine up till last night.4. We will be staying here up until the day after tomorrow.5. I was on the phone to my friend up to 1 o'clock in the morning.6. He works from Monday ...

6、这样做虽然解决了数据争用问题,但是在并发性方面付出了更多的代价,因为在迭代期间锁住整个List会阻塞其他线程,使它们在很长一段时间内不能访问这个列表。 This addresses the data race, but has further costs for concurrency, since locking the entire List while iterating could block other threads from ac...

6.助动词be 动词的现在分词（ing形式）。be的变化 在现在时中，be 要根据人称代词和名词的单复数不同，而分别使用am/is/are，即：I am/he/she/it 包括单数名词和不可数名词用is,you/we/they 包括复数名词用are.注意：be 动词在现在时里算作“助动词”，翻译正在进行时的时候，be不能解释为“...

参照上表，由第1列至第4列（竖着看）对应的16种时态分别是：1. 一般现在时，例句： We have six classes every day. 我们每天上六节课。2. 现在进行时，例句：I am playing computer games now.我正在打电脑游戏。3. 现在完成时，例句：She has been to New York twice. 她已经去...

Was/Were+主语+doing+其它 答语：Yes,I was./No,I wasn't.特殊疑问句：特殊疑问词+was/were+主语+doing+其它结构1. was/were+Vingeg:My morther was cooking at 6:00p.m. yesterday.（直接表达）2. 用while连接eg:My mother was cooking while I was doing my homework.(可以持续动作时态...

1) They go to work by bike every day.2) Does the moon move around the sun? Yes, it does.3) He doesn't love sports.4) We are all teachers from the country.5) The children don’t have enough food in Africa.6) Do you go to see your uncle every other day?(2)现在...

参考答案:1~5 CDBAC 6~10 BBDAB 11~15 ACDDB 16~20 C高考英语语法时态复习知识点BC 英语常见单词 stamp邮票 envelope信封 package / parcel 包裹 overweight 超重 extra postage 额外邮资 send / post / deliver a letter / mail 寄 /发信 express mail 快件 airmail 航空信件 surface mail 陆地邮寄 open...