1. Verbs in the Present Simple: used for repeated actions, thoughts, feelings and states.
They never<em> eat</em> carrots.
How often <em>do</em> you <em>go</em> to the cinema<em> ? (Do </em>is the<em> auxiliary verb </em>for this question)
They<em> don't like </em>potatoes. (<em>Don't</em> is the contracted form for <em>Do no</em>t)
2. Verbs in the Present Continuous: used to say somebody is in the middle of an action)
What <em>are</em> you<em> doing</em> now ? (verb to<em> be</em> +<em> verb</em> +<em> ing</em>)
Corona Virus is a virus that should be taken seriously because of how harmful and strange it is. The viral infection can lead to sickness and death to those who catch it. The virus has caused chaos and panic upon people.
I'm not sure what the lesson is, but the answer that makes sense the most is number. Number because most lessons in subject-verb agreement concerns the singularity and plurality of the subject at hand
