I HAVE vs I HAVE BEEN (Present Perfect vs Present Perfect Continuous ) | English Grammar Lesson
0:51
YouTubeLearn English | Let's Talk - Free English Lessons
I HAVE vs I HAVE BEEN (Present Perfect vs Present Perfect Continuous ) | English Grammar Lesson
Stop confusing "I have" and "I have been" forever! Learn the exact difference between Present Perfect and Present Perfect Continuous tenses with clear examples that will end your confusion instantly. This quick English grammar lesson explains these tricky tenses in under 60 seconds. Perfect for intermediate English learners who struggle with ...
已浏览 21万 次1 个月前
Synchronous Optical Network Tutorial
SONET/SDH Synchronous Optical Network/ Synchronous Digital Hierarchy - SlideServe
SONET/SDH Synchronous Optical Network/ Synchronous Digital Hierarchy - SlideServe
slideserve.com
已浏览 328 次2014年10月23日
Optical Fiber Communication-Block diagram, Types, Applications & Advantages
0:51
Optical Fiber Communication-Block diagram, Types, Applications & Advantages
easyelectronics.co.in
3 个月之前
Fully optical networks explained
Fully optical networks explained
huawei.com
2022年6月30日
热门视频
Power Steering VS Non-Power Steering Car.
0:41
Power Steering VS Non-Power Steering Car.
YouTubeDharmjeet Netam
已浏览 572.3万 次1 个月前
Than vs Then: Stop Making This Common Grammar Mistake! | Learn English With Ananya
1:12
Than vs Then: Stop Making This Common Grammar Mistake! | Learn English With Ananya
YouTubeLearn English | Let's Talk -
已浏览 7.3万 次2 周前
Choosing Between Pure Perfume and Eau de Parfum
1:43
Choosing Between Pure Perfume and Eau de Parfum
TikTokyusufbhaitheperfumer
已浏览 390万 次1 个月前
SONET Vs SDH
Kia Sonet vs Hyundai Venue: Specifications compared
Kia Sonet vs Hyundai Venue: Specifications compared
India TodayVarun Singh
2020年8月31日
Dolby TrueHD Vs. DTS-HD: Specifications and Differences
Dolby TrueHD Vs. DTS-HD: Specifications and Differences
soundmaxpro.com
2018年5月1日
HiFi vs Home Theater Speakers. What's the difference? [How I learned to interpret Spin DI]
HiFi vs Home Theater Speakers. What's the difference? [How I learned to interpret Spin DI]
audiosciencereview.com
2022年1月6日
Power Steering VS Non-Power Steering Car.
0:41
Power Steering VS Non-Power Steering Car.
已浏览 572.3万 次1 个月前
YouTubeDharmjeet Netam
Than vs Then: Stop Making This Common Grammar Mistake! | Learn English With Ananya
1:12
Than vs Then: Stop Making This Common Grammar Mistake! | Lear…
已浏览 7.3万 次2 周前
YouTubeLearn English | Let's Talk - Free English Lessons
Choosing Between Pure Perfume and Eau de Parfum
1:43
Choosing Between Pure Perfume and Eau de Parfum
已浏览 390万 次1 个月前
TikTokyusufbhaitheperfumer
I have to Vs I Must - What's The Difference? English Grammar Tips | Learn English With Ananya
1:10
I have to Vs I Must - What's The Difference? English Grammar Tip…
已浏览 4.4万 次1 周前
YouTubeLearnex - English lessons through Hindi
Paperback vs hardcover
1:09
Paperback vs hardcover
已浏览 4.7万 次2023年7月18日
YouTubeSweta Samota
Open vs Turn On – Know the Difference! Speak English Correctly | English Speaking Tips - Ananya
0:33
Open vs Turn On – Know the Difference! Speak English Correctl…
已浏览 10.6万 次3 周前
YouTubeLearn English | Let's Talk - Free English Lessons
Understanding Committed Relationships vs. Desire
3:00
Understanding Committed Relationships vs. Desire
已浏览 26.5万 次3 周前
TikTokjacoblovesbeingalive
1:30
Meghan & Jack Morrison on Instagram: "Some of those differe…
已浏览 53.8万 次1 个月前
Instagrammeghanandjack
0:49
Stage 4 to Stage ZERO Cancer?! Dr. Li’s Unbelievable Story
已浏览 165.6万 次1 个月前
YouTubeGlow Gazette
7:14
Acts of Kindness That Inspire Empathy and Love
已浏览 36.4万 次3 周前
TikTokurbanviewsnigeria
1:10
🥺 #gdgang #groupofdifference #srilankan_tik_tok🇱🇰 @DSL voice 🍃G…
已浏览 8.3万 次2 周前
TikTokgroup_of_difference
2:08
Cookies for a Cause: A Sweet Story of Hope
已浏览 620万 次1 个月前
TikTokyhnkficdtuf1987
0:20
The Emotional Toll of Loving the Wrong Person
已浏览 170万 次3 周前
TikToktylabeausmith
1:24
Hilarious Pancake and Egg Mix-Up Challenge!
已浏览 480万 次2 周前
TikTokitsceyandjai
0:18
5’5” VS 6’7” Height Comparison in Marriage Humor
已浏览 170万 次3 周前
TikTokmouhammad.elbannan
1:08
Sabes cuál es la diferencia pt:5 #fyp #parati #popular | Brandon.vela
已浏览 280万 次1 个月前
TikTokbrandon.vela
0:08
Marie Temara on Instagram: "Me tall? Or they just smol?凉 . . . #hei…
已浏览 316.6万 次1 个月前
Instagrammarietemara
0:17
Olandria's Height Difference: A Funny Take
已浏览 98万 次1 个月前
TikToknicandola
3:42
Community Message: Empowerment and Growth Opport…
已浏览 87.4万 次1 个月前
TikToksherraz_gondal.1
观看更多视频
静态缩略图占位符