Answer :
This question involves filling in the blanks with the correct past tense form of verbs based on context clues. Let's address each sentence:
Our English course began two months ago.
- Who/What: English course
- When: Two months ago
- Why/How: Indicates the start, so 'began' is the correct past tense verb.
We had an exam yesterday.
- Who: We
- When: Yesterday
- What: An exam, so 'had' is suitable.
She opened the window.
- Who: She
- What: The window, so 'opened' fits the action.
Her dog slept on my bed.
- Who: Her dog
- What/Where: On my bed, so 'slept' applies.
We met Sam last week. He looked very well.
- Who: We/Sam
- When: Last week, indicating the past event of meeting.
The phone rang while you were out.
- What: The phone
- When: While out, so 'rang' is the verb.
I tore my shirt when I fell off my bike.
- Who: I
- What: My shirt, so 'tore' fits the context of damage.
I'm sorry that I forgot to call you yesterday.
- Who: I
- When: Yesterday, so 'forgot' is the correct verb.
I left my mobile phone at home. I had to go back.
- Who: I
- Where: At home, making 'left' appropriate.
I read an interesting book about life after death.
- Who: I
- What: An interesting book, so 'read' (pronounced "red" in past) fits.
Sina taught me to speak Persian (Farsi).
- Who: Sina
- What: To speak Farsi, so 'taught' is the suitable past verb.
We learned how to use that machine.
- Who: We
- What: Use the machine, 'learned' being the correct action verb.
We knelt down to pray.
- Who: We
- What: To pray, making 'knelt' the logical choice.
Sam lent me his car for an hour.
- Who: Sam
- Who/What: Me/his car, so 'lent' applies.
We got onto the bus and rode into Boston.
- Who: We
- Where: Into Boston, so 'rode' fits the narrative.
I wrote a letter to God.
- Who: I
- What: A letter, making 'wrote' suitable.
He bought some shares in ATA.
- Who: He
- What: Shares, so 'bought' is the past tense.
They swam across the river.
- Who: They
- What/Where: Across the river, making 'swam' suitable.
Each sentence requires identifying the subject, the action, and the time aspect to choose the correct past tense verb.