Write only the full verb form.

1. My daughter since early morning. (study)

2. I want to buy a new flat. I ___ money for ages. (save)

3. He ___ in London for two weeks now. (stay)

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1. My daughter has been studying since early morning.
Explanation: The verb form "has been studying" is used to show an action that started in the past (early morning) and is still ongoing at the present moment.
Step-by-step solution: To form the full verb form, we use the present perfect continuous tense. First, we take the subject "My daughter" and add the auxiliary verb "has" (for the third person singular). Then, we use the present participle form of the verb "study" which is "studying". Finally, we add the time phrase "since early morning" to indicate when the action started.

2. I want to buy a new flat. I have been saving money for ages.
Explanation: The verb form "have been saving" is used to show an action that started in the past (ages ago) and is still ongoing at the present moment.
Step-by-step solution: To form the full verb form, we use the present perfect continuous tense. First, we take the subject "I" and add the auxiliary verb "have". Then, we use the present participle form of the verb "save" which is "saving". Finally, we add the time phrase "for ages" to indicate how long the action has been happening.

3. He has been staying in London for two weeks now.
Explanation: The verb form "has been staying" is used to show an action that started in the past (two weeks ago) and is still ongoing at the present moment.
Step-by-step solution: To form the full verb form, we use the present perfect continuous tense. First, we take the subject "He" and add the auxiliary verb "has" (for the third person singular). Then, we use the present participle form of the verb "stay" which is "staying". Finally, we add the time phrase "for two weeks now" to indicate how long the action has been happening.