Which of these sentences demonstrates an incorrect use of the helping verb 'to be'?
Understand the Problem
The question is asking us to identify which sentence incorrectly uses the helping verb 'to be'. The sentence examples provided involve the correct forms of 'to be' in different contexts, and we need to determine which one is grammatically incorrect.
Answer
A) They is happy.
The final answer is A) They is happy.
Answer for screen readers
The final answer is A) They is happy.
More Information
In the sentence 'They is happy,' the helping verb 'is' is incorrectly used with the plural subject 'they.' The correct helping verb should be 'are,' so the correct sentence is 'They are happy.'
Tips
A common mistake is using a singular form of the helping verb 'to be' with a plural subject. Always ensure that the helping verb agrees in number with the subject.