"With the wrong crowd, teenagers could develop a host of unhealthy and dangerous habits which impact not only their grades but all aspects of their lives."
I think 'which' here refers to 'a host' so the verb (impact) must be in 3rd person, right?
Top answer
Impact is the the third person, third person plural, and it's correct. CB
— Cool Breeze
Impact is the the third person, third person plural, and it's correct.
CB
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