Using Do and Does - English Grammar
3:09
YouTubeABC Educational Channel
Using Do and Does - English Grammar
To make a question in English we normally use Do or Does. It is normally put at the beginning of the question (before the subject). Affirmative: You speak Spanish. Question: Do you speak Spanish? You will see that we add DO at the beginning of the affirmative sentence to make it a question. We use Do when the subject is I, you, we or they ...
已浏览 25.4万 次2021年11月25日
PCR Tutorial
What Is PCR? DNA Amplification Made Simple 🧬
0:16
What Is PCR? DNA Amplification Made Simple 🧬
YouTubescience fusion
已浏览 1336 次2 周前
qPCR | qRT PCR | real-time quantitative PCR in 1 minute | biotechniques in 1 minute
1:00
qPCR | qRT PCR | real-time quantitative PCR in 1 minute | biotechniques in 1 minute
YouTubeAnimated biology With arpan
已浏览 3.6万 次2022年9月18日
Comparing PCR vs. qPCR: The Future of Genetic Testing
0:24
Comparing PCR vs. qPCR: The Future of Genetic Testing
YouTubeFaiz Knowledge lab
已浏览 1752 次3 周前
热门视频
Basic English Grammar | How To Use DO, DOES, DID, DONE
17:36
Basic English Grammar | How To Use DO, DOES, DID, DONE
YouTubeJForrest English
已浏览 3万 次2024年5月14日
English Grammar Lessons - Auxiliary Verb - 'DO"
9:58
English Grammar Lessons - Auxiliary Verb - 'DO"
YouTubeLearn English | Let's Talk -
已浏览 43.2万 次2013年2月15日
Do / Does Quiz l English Grammar l Do / Does / Don't / Doesn't Quiz l No. 1 Quality English
3:40
Do / Does Quiz l English Grammar l Do / Does / Don't / Doesn't Quiz l No. 1 Quality English
YouTubeNo.1 Quality English
已浏览 1.3万 次2023年5月15日
PCR Basics
Simulação de PCR em manequim de RCP com feedback visual em tempo real
2:11
Simulação de PCR em manequim de RCP com feedback visual em tempo real
YouTubeIgor Gramacho
已浏览 2868 次2021年8月23日
🔬 PCR Technique in Biology 📝 Exam में ज़रूरी टॉपिक 🔭 Polymerase Chain Reaction Explained 📚✨
2:02
🔬 PCR Technique in Biology 📝 Exam में ज़रूरी टॉपिक 🔭 Polymerase Chain Reaction Explained 📚✨
YouTubeSCIENCE PLANET
已浏览 8542 次1 个月前
PCR system, PCR starter Kit , For mini Amp and MiniAmpPlus PCR system. MINI PCR MACHINE ThermoFisher
2:04
PCR system, PCR starter Kit , For mini Amp and MiniAmpPlus PCR system. MINI PCR MACHINE ThermoFisher
YouTubeSab Tech
已浏览 777 次9 个月之前
Basic English Grammar | How To Use DO, DOES, DID, DONE
17:36
Basic English Grammar | How To Use DO, DOES, DID, DONE
已浏览 3万 次2024年5月14日
YouTubeJForrest English
English Grammar Lessons - Auxiliary Verb - 'DO"
9:58
English Grammar Lessons - Auxiliary Verb - 'DO"
已浏览 43.2万 次2013年2月15日
YouTubeLearn English | Let's Talk - Free English Lessons
Do / Does Quiz l English Grammar l Do / Does / Don't / Doesn't Quiz l No. 1 Quality English
3:40
Do / Does Quiz l English Grammar l Do / Does / Don't / Doesn't Quiz l N…
已浏览 1.3万 次2023年5月15日
YouTubeNo.1 Quality English
Learn English - DO, DOES, DID (English Grammar)
6:04
Learn English - DO, DOES, DID (English Grammar)
已浏览 4.2万 次2020年9月22日
YouTubeA7 Learning
"Do vs. Does" - Easy English Grammar Practice!
2:06
"Do vs. Does" - Easy English Grammar Practice!
已浏览 555 次11 个月之前
YouTubeTalk Like A Native
DID vs DO vs DONE 🤔 | What's the difference? | Learn with examples
10:42
DID vs DO vs DONE 🤔 | What's the difference? | Learn with examples
已浏览 13.9万 次2021年4月26日
YouTubeLearn Easy English
Do, Does, Did - Basic English Grammar
4:53
Do, Does, Did - Basic English Grammar
已浏览 4.7万 次2020年5月22日
YouTubeJForrest English
10:32
How to use DO, DOES, and DID | TO DO Verbs | English Grammar
已浏览 1034 次2020年8月26日
YouTubeEnglishFundamentals
3:31
📚 DO vs MAKE in English – What’s the Difference? | Simple Guide wit…
已浏览 73 次7 个月之前
YouTubeEnglish Fluency Hub
14:12
Using DO, DOES, and DID in Asking Questions | English Grammar | Te…
已浏览 2.1万 次2022年5月5日
YouTubeTeacher Beth Class TV
1:28
Understanding the Usage of 'DO' and 'MAKE' Verbs in English
已浏览 8.4万 次2023年11月16日
TikTokourenglishkorea
14:28
When to use Do, Does and Did | Learn English
已浏览 4457 次2023年11月14日
YouTubeCeytopia English
8:59
DO vs. MAKE in English - What is the difference?
已浏览 52.1万 次2017年4月26日
YouTubeWoodward English
3:16
Mastering 'Do,' 'Did,' and 'Done': Essential English Grammar Tips
已浏览 57 次11 个月之前
YouTubeTamidu Dodangoda
38:22
Do, Are, Did, Will - Auxiliary Verbs | Spoken English | English Speakin…
已浏览 25.9万 次7 个月之前
YouTubeEnglish Pesalam
20:05
How to Use Do, Does, or Did in Questions - English Grammar | UP…
已浏览 130.1万 次2019年10月8日
YouTubeTeam Lyqa
0:23
Do Not make mistake while using DO and DOES
已浏览 110 次7 个月之前
YouTubefun and fact academy
观看更多视频
静态缩略图占位符