Put the given verbs into the correct grammar forms
1. somebody knocks on the door unexpectedly : i/open!
2. ordering food in a cafe : i/have a flat white and a piece of cherry tart
3.after doing poorly on a test : i/do better next time
4. watching the weather forecast : on wednesday, there /be heavy rain in southwest
5. saying goodbye to a friend : i/call you when i/get home
6. predicting the future : treat most illnesses ​

1. somebody knocks on the door unexpectedly: I will open!
Explanation: In this sentence, "knocks" is in the present simple tense. To respond to someone knocking on the door unexpectedly, the correct verb form to use is "will open" in the future simple tense. This indicates that you will open the door in the future as a response to the knocking.

2. ordering food in a cafe: I would like to have a flat white and a piece of cherry tart.
Explanation: When ordering food in a cafe, it is common to use the phrase "I would like" to indicate your preference. In this sentence, "ordering" is in the present continuous tense. The correct verb form to use when placing an order is "to have" in the infinitive form. Adding "would like" before the verb emphasizes politeness.

3. after doing poorly on a test: I will do better next time.
Explanation: In this sentence, "doing" is in the present continuous tense. To express the intention to improve in the future, the correct verb form to use is "will do" in the future simple tense. This indicates your determination to perform better in the upcoming test.

4. watching the weather forecast: On Wednesday, there will be heavy rain in the southwest.
Explanation: When talking about the weather forecast, it is common to use the phrase "there will be" to indicate future weather conditions. In this sentence, "watching" is in the present continuous tense. The correct verb form to use when describing future weather conditions is "will be" in the future simple tense.

5. saying goodbye to a friend: I will call you when I get home.
Explanation: In this sentence, "saying" is in the present continuous tense. To express the intention to call someone in the future, the correct verb form to use is "will call" in the future simple tense. This indicates your plan to contact your friend after you arrive home.

6. predicting the future: Most illnesses will be treated.
Explanation: In this sentence, "predicting" is in the present continuous tense. To make a general prediction about the future, the correct verb form to use is "will be treated" in the future simple passive tense. This indicates that in the future, most illnesses will receive medical treatment.