Also, you need to work on your pronunciation of the ð sound (as in "this").
I strongly advise you to use forvo.com or a good dictionary website to learn the native pronunciation of English words. For example, you mispronounce "column" as "ko-lem", and "left" as "lift".
Yes, you are right. I noticed that myself. Next video, I will [STRIKE]control[/STRIKE] pay better/more attention to my [STRIKE]mouth better[/STRIKE] pronunciation than I did in this one.