Put the verbs in brackets into the correct present tense (Simple, Continuous, Perfect or Perfect Continuous)....

This is Mr Smith.

He is a dentist.

He has worked in this hospital for 10 years.

It is 7 p.m. and he has just come home.

What is he doing now? He is cooking dinner for his wife. It is her birthday.

They have lived together for 15 years. I think they are very happy.

This is Mr Smith. He is a dentist. He has worked in this hospital for 10 years. It is 7 p.m. and he has just come home. What is he doing now? He is cooking dinner for his wife. It is her birthday. They have lived together for 15 years. I think they are very happy.

Let's break down the sentence and provide the correct present tense forms for each verb in brackets:

1. "This (be) Mr. Smith."

   • This is Mr. Smith.
   • Explanation: The verb "be" is in the present simple tense because it is a general statement introducing Mr. Smith.

2. "He (be) a dentist."

   • He is a dentist.
   • Explanation: Again, "be" is in the present simple tense to state a fact about Mr. Smith's profession.

3. "He (work) in this hospital for 10 years."

   • He has been working in this hospital for 10 years.
   • Explanation: The present perfect continuous tense "has been working" is used to emphasize the duration of an action that started in the past and continues up to the present.

4. "It (be) 7 p.m. and he _____ just (come) home."

   • It is 7 p.m. and he has just come home.
   • Explanation: "Is" is in the present simple tense to state the current time. "Has come" is in the present perfect tense, indicating an action that has been completed recently.

5. "What __ he (do) now? He (cook) dinner for his wife. It __ (be) her birthday."

   • What is he doing now? He is cooking dinner for his wife. It is her birthday.
   • Explanation: "Is" and "doing" are in the present continuous tense to describe an action currently in progress. "Is cooking" is also in the present continuous tense for the same reason. "Is" is in the present simple tense to state a fact about the current day.

6. "They (live) together for 15 years. I think they (be) very happy."

   • They have been living together for 15 years. I think they are very happy.
   • Explanation: "Have been living" is in the present perfect continuous tense, emphasizing the duration of time they have lived together. "Are" is in the present simple tense to express a general belief about their happiness.

So, the complete passage with the correct verb forms is:

"This is Mr. Smith. He is a dentist. He has been working in this hospital for 10 years. It is 7 p.m. and he has just come home. What is he doing now? He is cooking dinner for his wife. It is her birthday. They have been living together for 15 years. I think they are very happy."