1. What tense should the verbs in brackets be changed to: present continuous, present perfect, or present simple?

1. What tense should the verbs in brackets be changed to: present continuous, present perfect, or present simple?
1. What language is my friend currently learning, and what language is she currently studying? (present continuous)
2. What happened to his key, and why can"t he enter the flat? (present perfect)
3. Why haven"t they looked at the newspaper today, and as a result, what don"t they know? (present perfect)
4. Have you finally arrived? We have been here for an hour. (present perfect continuous)
5. How well are you progressing in English, based on what I know? (present continuous)
6. Why has he recently been angry with them, and what has happened to him? (present perfect)
7. What are you searching for? I have \_\_\_\_\_\_\_. (present simple)

Now, let"s work through each question step by step to determine the appropriate tense for the verbs in brackets.

1. What language is my friend currently learning, and what language is she currently studying? (present continuous)
- The verbs "is learning" and "is studying" indicate ongoing actions that are happening at the present time. Therefore, the correct tense is present continuous.

2. What happened to his key, and why can"t he enter the flat? (present perfect)
- The verb "happened" refers to a past event that has a connection to the present moment. The inability to enter the flat is a result of the past event. Therefore, the correct tense is present perfect.

3. Why haven"t they looked at the newspaper today, and as a result, what don"t they know? (present perfect)
- The verb "have looked" is in the present perfect tense because it refers to an action that should have been completed in the past but is still relevant to the present moment. The second part of the question, "what don"t they know," indicates the consequence of not looking at the newspaper. Therefore, the correct tense is present perfect.

4. Have you finally arrived? We have been here for an hour. (present perfect continuous)
- The verb "have arrived" is in the present perfect tense because it describes an action that was completed in the past but is still relevant to the present moment. The second part of the statement, "we have been here for an hour," suggests a continuous duration of their presence. Therefore, the correct tense is present perfect continuous.

5. How well are you progressing in English, based on what I know? (present continuous)
- The verb "are progressing" is in the present continuous tense because it describes an ongoing action at the present time. Therefore, the correct tense is present continuous.

6. Why has he recently been angry with them, and what has happened to him? (present perfect)
- The verb "has been" is in the present perfect tense because it describes a state or condition that began in the past and continues into the present. The second part of the question, "what has happened to him," indicates a past event that affects the present situation. Therefore, the correct tense is present perfect.

7. What are you searching for? I have \_\_\_\_\_\_\_. (present simple)
- The verb "are searching" is in the present simple tense because it refers to a regular or habitual action. The response can be completed with any appropriate nouns or phrases.