To complete the given task, we need to underline the verb that comes before the infinitive in each sentence and circle the infinitive itself. An infinitive is the base form of a verb preceded by 'to,' like 'to write,' 'to see,' etc.
Raji chose (to write) about the first Roman emperor for his history report.
The verb before the infinitive is 'chose' and the infinitive is 'to write.'
The Treveri people didn't expect (to see) such a large Roman army.
The verb before the infinitive is 'expect' and the infinitive is 'to see.'
Do the archaeologists plan (to dig) in this area much longer?
The verb before the infinitive is 'plan' and the infinitive is 'to dig.'
What time and place in history did you decide (to research) ?
The verb before the infinitive is 'decide' and the infinitive is 'to research.'
Gabrielle seems (to be) unhappy with her history test score.
The verb before the infinitive is 'seems' and the infinitive is 'to be.'
The general didn't appear (to be) nervous before the battle.
The verb before the infinitive is 'appear' and the infinitive is 'to be.'
Did Diego agree (to take) you to the museum?
The verb before the infinitive is 'agree' and the infinitive is 'to take.'
What did the students learn (to do) at the archaeological site?
The verb before the infinitive is 'learn' and the infinitive is 'to do.'
Each sentence here includes a main verb followed by an infinitive, which together help convey various actions or states of being.