This is the technique I use to teach my students how to pronounce the French "R". Hope it works for you.

French Kankan - Slow French

How to pronounce the French "R"

저는 보통 토요일에 마트에 가요.
I usually go to a mart on Saturday.

오늘은 토요일이라서 마트에 갔어요. 
Today was Saturday, so I went to the mart.

오후 한 시에 갔어요.
I went there at 1 o'clock.

마트에서 계란이랑 라면이랑 우유를 샀어요. 
At the mart, I bought eggs and ramens and milk.

비누와 휴지도 샀어요.
I also bought soap and tissue.

계란이 좀 비쌌어요. 
Eggs were a bit expensive.

4000원이었어요.
It was 4000won.

비누가 싸서 많이 샀어요. 
Soap was cheap, so I bought a lot.

모두 23000원이었어요.
In total, it was 23000won.

Daily Journal in Korean(한국어 일기)

마트(Mart)

Script
오늘은 토요일이었어요. 
Today was Saturday.

저는 오늘 친구하고 산에 갔어요. 
Today, I went to a mountain with my friend.

산에 가서 두 시간 동안 등산했어요. 
(I) went to the mountain, and (at that place) for two hours we hiked.

발도 아프고 다리도 아팠어요. 
My feet hurt, and my legs also hurt.

하지만 기분이 정말 좋았어요. 
But I felt really good.

저는 다음 주 주말에 또 산에 갈 거예요.
I will go to a mountain again next weekend.


등산(Hiking) 

[Script]
내일은 '발렌타인데이'예요. 
Tomorrow is Valentine's Day.
그래서 오늘 마트에 갔어요.
So I went to the mart.
마트에서 초콜릿 두 개하고 케이크 한 개를 샀어요.
At the mart, I bought two chocolates and a cake.
모두 25000원이었어요. 
In total, it was 25000won.
저는 가게에서 꽃도 샀어요. 
I also bought flowers at a store.
꽃이 조금 비싸지만 아주 예뻐요.
Flowers are a bit expensive but very pretty.
집에서 한국어로 편지를 썼어요. 
At home I wrote a letter in Korean.
내일 아침에  편지랑 케이크랑 초콜릿이랑 꽃을 
남자친구한테 줄 거예요.
Tomorrow morning, I will give a letter and a cake and chocolate and flowers to my boyfriend.
