identify the direct object.
the baseball pitcher threw his teammate on first base the ball
pitcher
teammate
first base
ball
The direct object in this sentence is "the ball."
The direct object in this sentence is "the ball."
The direct object in this sentence is "the ball."
To identify the direct object, you can ask the question "What/whom did the subject throw to the first base?" In this case, the answer is "the ball" because the subject (baseball pitcher) threw "the ball" to the first base.
The other parts of the sentence, such as "pitcher," "teammate," and "first base," are not the direct objects because they are not directly affected by the action of throwing.