Put each verb in brackets into a suitable verb form.
1) we (learn) more and more about differences in heart disease developing in men and women.
2) we (tell) that men and women are from different planets, but how about their hearts?
3) the role of stress in heart attacks (still study)
4) the patient asked his medical man what the chances (be) that he (have) a heart attack after the operation.
5) hello, pat. i (phone) to ask if you (go) to see your dentist this week.
6) by the time dr patel (become) popular she (cure) many patients of dangerous diseases.

1) We are learning more and more about differences in heart disease developing in men and women. (Present continuous tense - used to talk about actions happening at the moment of speaking or in the near future.)

Explanation: The sentence is talking about an ongoing process of learning about differences in heart disease. The verb "learn" is used in the present continuous tense because the action is happening currently or is ongoing.

2) We are told that men and women are from different planets, but how about their hearts? (Passive voice - used when the focus of the sentence is on the action being done to the subject.)

Explanation: The sentence is talking about being informed or told that men and women are from different planets. The verb "tell" is used in the present continuous tense and in the passive voice to emphasize the action being done to the subject "we".

3) The role of stress in heart attacks is still being studied. (Present continuous passive tense - used when the focus is on an ongoing action being done to the subject.)

Explanation: The sentence is talking about an ongoing process of studying the role of stress in heart attacks. The verb "study" is used in the present continuous tense and in the passive voice to emphasize the action being done to the subject "the role of stress in heart attacks".

4) The patient asked his medical man what the chances were that he would have a heart attack after the operation. (Past simple tense - used to talk about completed actions in the past.)

Explanation: The sentence is talking about a past event where the patient asked his medical man about the chances of having a heart attack. The verbs "be" and "have" are used in the past simple tense to indicate completed actions in the past.

5) Hello, Pat. I am phoning to ask if you are going to see your dentist this week. (Present continuous tense - used to talk about planned future actions.)

Explanation: The sentence is talking about a planned future action of Pat seeing his dentist. The verbs "phone" and "go" are used in the present continuous tense to indicate the planned future actions.

6) By the time Dr. Patel became popular, she had cured many patients of dangerous diseases. (Past perfect tense - used to describe an action completed before a certain point in the past.)

Explanation: The sentence is talking about a completed action of Dr. Patel curing many patients of dangerous diseases before she became popular. The verbs "become" and "cure" are used in the past perfect tense to indicate the action completed before a specific point in the past, which is Dr. Patel becoming popular.