Please check this.

1. We are going to tell John what happened.
John= indirect object
2. Are you going to explain to your parents why you arrived home late? (Is this sentence grammatically correct?)
Parents=indirect object
3. She isn't going to call us tonight.
Us=direct object
4. I love my mom a lot.
Mom=direct object
5. They aren't going to lend her the money.
Her= indirect object
6. You never tell me the truth.
Me=indirect object
7. Are you going to write to your relatives?
Relatives= indirect object
8. She doesn't hate them.
Them= direct object
9. I always do them(homework).
Them=direct object
10. Are you going to invite her to the party?
Her=direct object
11. I am not going to tell her the truth.
Her=indirect object
12. I am not going to explain anything about what happened to them.
Them=indirect object

1. We are going to tell John what happened.

John= indirect object correct

2. Are you going to explain to your parents why you arrived home late? (Is this sentence grammatically correct? yes)
Parents=indirect object incorrect

3. She isn't going to call us tonight.
Us=direct object correct

4. I love my mom a lot.
Mom=direct object correct

5. They aren't going to lend her the money.
Her= indirect object correct

6. You never tell me the truth.
Me=indirect object correct

7. Are you going to write to your relatives?
Relatives= indirect object incorrect

8. She doesn't hate them.
Them= direct object correct

9. I always do them(homework).
Them=direct object This sentence doesn't make sense.

10. Are you going to invite her to the party?
Her=direct object correct

11. I am not going to tell her the truth.
Her=indirect object correct

12. I am not going to explain anything about what happened to them.
Them=indirect object incorrect

Indirect objects in English do NOT have the preposition "to" or "for" in front of them.

direct and indirect object exercise

Cheaters

Great job! Here's a breakdown of the sentences and the identification of direct and indirect objects:

1. We are going to tell John what happened.
In this sentence, "John" is the indirect object because he is the recipient of the action. The direct object is "what happened" because it is the thing being told.

2. Are you going to explain to your parents why you arrived home late?
Yes, this sentence is grammatically correct. "Parents" is the indirect object as they are the recipient of the explanation.

3. She isn't going to call us tonight.
In this sentence, "us" is the direct object because it is the thing being called.

4. I love my mom a lot.
Here, "mom" is the direct object because it is the thing being loved.

5. They aren't going to lend her the money.
In this sentence, "her" is the indirect object because she is the recipient of the lending action. The direct object is "the money" as it is being lent.

6. You never tell me the truth.
In this sentence, "me" is the indirect object because it is the recipient of the action of telling.

7. Are you going to write to your relatives?
"Relatives" is the indirect object because they are the recipients of the action of writing.

8. She doesn't hate them.
"Them" is the direct object because it is the thing being hated.

9. I always do them (homework).
In this sentence, "them" is the direct object because it refers to the homework, which is being done.

10. Are you going to invite her to the party?
"Her" is the direct object because she is the recipient of the action of inviting.

11. I am not going to tell her the truth.
In this sentence, "her" is the indirect object because she is the recipient of the action of telling.

12. I am not going to explain anything about what happened to them.
Here, "them" is the indirect object because they are the recipients of the action of explaining.