How are the civil rights movement and the environmental protection movement similar? They both created positive change that directly affected the environment.

They both involved years of hard work before long-term change arrived.

They both started violently, prompting the military to get involved.

They both failed at accomplishing nearly all of their initial goals.

modal adverbs are used to modify specific verbs that consist of a linking verb (verb of being) and sometimes another verb. examples of modal verbs include can, could, may, might, must, shall, should, will and would.

modal auxiliary. an auxiliary verb characteristically used with other verbs to express mood, aspect, or tense. in english, the most common modal auxiliaries are can, could, may, might, must, ought, shall, should, will, and would. also called modal .