YOU SAID:
please may i have a glass of juice
INTO JAPANESE
私はジュースを一杯飲んでください
BACK INTO ENGLISH
I have a glass of juice
INTO JAPANESE
私はジュースを一杯飲んでいます
BACK INTO ENGLISH
I am drinking a glass of juice
INTO JAPANESE
私はジュースを飲んでいます
BACK INTO ENGLISH
I am drinking juice
INTO JAPANESE
私はジュースを飲んでいます
BACK INTO ENGLISH
I am drinking juice
Come on, you can do better than that.