1. We watched TV for two hours.

2. We watched TV at night/ at the shop.
3. We watched (or have watched) TV by the time he arrived.
4. We watched (or have watched) TV by 7 p.m.
5. We watched TV by day.
6. We watched TV by the table.
7. We have watched TV since 5 p.m.
8. We have watched TV since this morning.
9. We have watched TV since we returned home.

(Would you like to check the expressions above? Are they all acceptable? Would you let me know the use of the English sentences. Thank you for your help.)

1. We watched TV for two hours.

2. We watched TV at night/ at the shop.

3. We were watching TV when he arrived.

4. We watched TV before 7 p.m.

5. We watched TV during the daytime.

6. We watched the TV near the table.


7. We have watched TV since 5 p.m.

8. We have watched TV since this morning.

9. We have watched TV since we returned home.

I've changed wording only in the bold sentences. Let me know if you have questions about the meaning of any of them.

1. "We watched TV for two hours."

This sentence means that the action of watching TV occurred continuously for a duration of two hours.

2. "We watched TV at night/ at the shop."
These sentences indicate the specific time or location when the action of watching TV occurred. For example, "We watched TV at night" means that the TV watching took place during the nighttime, while "We watched TV at the shop" implies that the TV watching happened at a shop.

3. "We watched (or have watched) TV by the time he arrived."
This sentence suggests that the TV watching was completed or had already happened before he arrived.

4. "We watched (or have watched) TV by 7 p.m."
This sentence implies that the TV watching was completed or had already happened before 7 p.m.

5. "We watched TV by day."
This sentence means that the TV watching took place during the daytime.

6. "We watched TV by the table."
This sentence indicates the specific location where the TV watching occurred, which is near or next to the table.

7. "We have watched TV since 5 p.m."
This sentence suggests that the TV watching started at 5 p.m. and is still ongoing at the present moment.

8. "We have watched TV since this morning."
This sentence implies that the TV watching started in the morning and is still ongoing at the present moment.

9. "We have watched TV since we returned home."
This sentence suggests that the TV watching started when they arrived home and is still ongoing at the present moment.

Overall, these expressions are acceptable and correctly convey the different time, location, and duration aspects of watching TV.

The expressions you provided are all grammatically correct and acceptable in English. However, the context and usage of each sentence may vary. Let's go through them one by one:

1. We watched TV for two hours.
This sentence indicates that we spent a specific duration of time, two hours, watching TV. It does not mention when or where it happened.

2. We watched TV at night/at the shop.
These sentences specify the time or place where we watched TV. "At night" means during the evening or nighttime hours, while "at the shop" means we watched TV in a store.

3. We watched (or have watched) TV by the time he arrived.
This sentence implies that we finished watching TV before he arrived. The use of "by the time" suggests that the TV-watching activity was completed before a particular point in time.

4. We watched (or have watched) TV by 7 p.m.
Similar to the previous sentence, this one indicates that we finished watching TV before 7 p.m.

5. We watched TV by day.
This sentence suggests that we specifically watched TV during the daytime, as opposed to the evening or nighttime.

6. We watched TV by the table.
Here, "by the table" indicates the location where we watched TV. It means we watched TV near or next to the table.

7. We have watched TV since 5 p.m.
This sentence indicates that we started watching TV at 5 p.m. and are still watching it or have recently finished but with an ongoing/recent effect.

8. We have watched TV since this morning.
Similar to the previous sentence, this one suggests that we started watching TV in the morning and are still doing it or have recently finished but with an ongoing/recent effect.

9. We have watched TV since we returned home.
In this sentence, "since we returned home" means that we started watching TV immediately after coming back home and are still doing it or have recently finished but with an ongoing/recent effect.

Overall, these sentences cover different aspects of time, duration, location, and continuity to describe the activity of watching TV.