All of them are grammatically correct. Whether you call it porridge, soup, or gruel is a matter of preference. Soup, however, may include other ingredients besides rice and water, which porridge or gruel may not. "Chicken-rice" soup is popular in the USA.
#5 seems a little awkward, but there is nothing wrong with it. #4 is the best of the three about hamburger sandwiches. #6, "hamburger" could refer to other dishes made with ground beef, not just the sandwich. We use ground beef (hamburger) for many different dishes, including meat loaf, shepherd's pie, chili, etc.
What's your favorite food?
1. My favorite food is rice porridge.
2. My favorite food is rice soup.
3. My favorite food is rice gruel.
4. My favorite food is a hamburger.
5. My favorite food is hamburgers.
6. My favorite food is humburger.
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Which expression is right among 1,2 and 3? Which one is correct among 4,5 and 6?
2 answers
mak me food pls. I only hav gren bean only 3 only.