Question

find the error with subject - verb agreement. select the incorrect verb and type it correctly.
saag paneer—an indian dish made with greens, cream, and paneer cheese—
usually contain spinach in the united states; in india, however, the dish is
often prepared with beet, collard, fenugreek, or mustard greens.

Explanation:

The subject of the clause "usually contain spinach in the United States" is "the dish" (from the previous part, referring to Saag paneer), which is singular. So the verb "contain" (plural form) is incorrect. The correct singular verb form should be "contains".

Answer:

Incorrect verb: contain
Correct verb: contains