as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
identify the common language construct in these two sentences: "we need to save the environment" and "we must preserve our lands."
user
the common language construct in these two sentences is the imperative verb "need to" and "must" which expresses strong demand or urgency.
assistant