Determine if each sentence contains correct or incorrect subject-verb agreement.
That student enjoy walking.
Correct
Incorrect
Hiking is one of my favorite activities.
The guide shows them the path.
Nature teach us lessons.
Some students enjoy the outdoors.
The hikers walks the path.

That student enjoy walking. incorrect

(correction: That student enjoys walking.)

Hiking is one of my favorite activities. correct

The guide shows them the path. correct

Nature teach us lessons. incorrect

(correction: Nature teaches us lessons.)

Some students enjoy the outdoors. correct

The hikers walks the path. incorrect

(correction: The hikers walk the path.)

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

5

explanation: 4