Yes, it is the past tense of the verb train.
Type your answer here... First of, the question should have been constructed as "Is treatment AN action verb, a linking verb or neither?" The answer is neither. The word treatment is a NOUN and not a verb. A verb is an action word. The action word for 'treatment" is TREAT.
The sentence, "A team of engineers and laborers constructed her," contains the transitive verb "constructed." The direct object, or specifically the pronoun, "her" identifies what or who receives the action of the verb.
It is an action verb.
Construct is a verb.
began is an action verb, not a linking verb.
action verb because you did this action (sent)
what follows a linking or action verb
An action verb
Action verb
It is an action verb.
Action verb
action verb