Read these sentences and choose the correct variant. 1.
After Sam had finished her work, he went to the cafe
After Sam had finish her work, he went to the cafe

2.
After Loren had turn on the alarm, she locked the door
After Loren had turned on the alarm, she locked the door

3.
After she had move out, I found her notes
After she had moved out, I found her notes

1. The correct variant is: After Sam had finished her work, he went to the cafe.

Explanation: In this sentence, the subject is Sam, so the pronoun "he" is incorrect because it refers to a different person. The correct pronoun to use is "she" because it refers back to Sam. Additionally, the verb "finish" should be in the past participle form "finished" to show that the action took place before going to the cafe.

Step-by-step solution:
- Identify the subject of the sentence: Sam
- Determine the correct pronoun to refer back to Sam: she
- Check the verb form: finish
- Use the past participle form of the verb: finished

2. The correct variant is: After Loren had turned on the alarm, she locked the door.

Explanation: In this sentence, the subject is Loren, and the verb "turn" should be in the past participle form "turned" to show that the action took place before locking the door.

Step-by-step solution:
- Identify the subject of the sentence: Loren
- Check the verb form: turn
- Use the past participle form of the verb: turned

3. The correct variant is: After she had moved out, I found her notes.

Explanation: In this sentence, the subject is "she," and the verb "move" should be in the past participle form "moved" to show that the action took place before finding the notes.

Step-by-step solution:
- Identify the subject of the sentence: she
- Check the verb form: move
- Use the past participle form of the verb: moved