Complete the text with the correct Passive form of the verbs in brackets.

Okay, let's complete the text with the correct passive forms of the verbs in brackets. Remember, the passive voice is formed using a form of the verb 'to be' + the past participle of the main verb. Here is the solution:

1. The first Roskilly farm **was built** (build) in Cornwall in 1963.

*Explanation: 'Was built' is the past simple passive of 'build'.

2. and buildings **were added** (add) since then.

*Explanation: 'Were added' is the past simple passive of 'add', with plural subject 'buildings'.

3. Ice cream **had been produced** (produce) there three years earlier but it hadn't been a success.

*Explanation: 'Had been produced' is the past perfect passive of 'produce'.

4. However, an expert ice cream maker **was invited** (invite) to the farm in 1987.

*Explanation: 'Was invited' is the past simple passive of 'invite'.

5. After his visit, twenty different flavours of ice cream **were offered** (offer) to the public and that number has steadily grown.

*Explanation: 'Were offered' is the past simple passive of 'offer', plural subject 'flavours'.

6. So that now a total of forty flavours can **be bought** (buy).

*Explanation: 'Be bought' is the passive infinitive form after 'can'.

7. In the future it is likely that even more flavours **will be created** (create) to be enjoyed by Roskilly's customers.

*Explanation: 'Will be created' is the future simple passive form of 'create'.

8. Roskilly’s **is visited** (visit) by thousands of holiday makers every year.

*Explanation: 'Is visited' is the present simple passive form of 'visit'.

9. The farm can **be visited** (visit) for free.

*Explanation: 'Be visited' is the passive infinitive form after 'can'.

10. Leaving customers with more money to spend on delicious organic products which **are sold** (sell) in the cafes and shops there.

*Explanation: 'Are sold' is the present simple passive form of 'sell'.

11. More attractions **are now being built** (now build) at Roskilly's to make it even more popular in the future.

*Explanation: 'Are being built' is present continuous passive of 'build'.

**Full Text with Answers:**
The first Roskilly farm **was built** in Cornwall in 1963 and buildings **were added** since then. It was in 1987, though, that Roskilly's started to become really famous. Ice cream **had been produced** there three years earlier but it hadn't been a success. However, an expert ice cream maker **was invited** to the farm in 1987 and he was able to show them what they were doing wrong. After his visit, twenty different flavours of ice cream **were offered** to the public and that number has steadily grown so that, now, a total of forty flavours can **be bought**. In the future it is likely that even more flavours **will be created** to be enjoyed by Roskilly's customers. Roskilly's **is visited** by thousands of holiday makers every year. The farm can **be visited** for free, leaving customers with more money to spend on the delicious, organic products which **are sold** in the cafés and shops there. More attractions **are now being built** at Roskilly's to make it even more popular in the future.