Read the following passage and correct the incorrect usage of verbs. A battalion of soldiers stand at attention as the National flag are raised. Each soldier salute with pride while the commander and his assistants inspects the parade. The sound of marching feet echo through the air as a group of cadets prepare for their drill. Meanwhile, a convoy of military vehicles pass by, drawing cheers from the gathered crowd.
A battalion of soldiers stands at attention
as the National flag is raised
Each soldier salutes with pride
the commander and his assistants inspect the parade
The sound of marching feet echoes through the air
a group of cadets prepares for their drill
a convoy of military vehicles passes by
Explanation
(1) 'Battalion' is a singular collective noun, so it takes the singular verb 'stands'. (2) 'Flag' is singular, so it takes the singular verb 'is'. (3) 'Each soldier' is singular, so it takes the singular verb 'salutes'. (4) 'The commander and his assistants' is a plural subject, so it takes the plural verb 'inspect'. (5) 'Sound' is singular, so it takes the singular verb 'echoes'. (6) 'A group' is singular, so it takes the singular verb 'prepares'. (7) 'A convoy' is singular, so it takes the singular verb 'passes'.