Verbs in each group into the Past Simple, the Past Continuous or the Past Perfect. 1 make a Paul..... a phone call when I went into his office. b Paul had some coffee first and then he .... some phone calls. c Paul..... twenty phone calls by the time he left the office for the day. 2 get a As it .... dark, the boys decided to go home. b When it .... dark, all the lights in the park went on creating a beautiful atmosphere. c By the time the boys decided to return home, it ..... so dark that they needed a torch to find their way. 3 perform a Dr Stephens ..... an experiment while his students were watching him. b Dr Stephens .... a lot of experiments before he made an important discovery. c Two weeks ago Dr Stephens ..... an experiment with the help of some university students. 4 fall a The baby .... asleep, as soon as we put her in her bed. b As the baby ... asleep, she was making some funny sounds. c The baby ..... asleep by the time he got home and he didn't want to wake her up. 5 read a Laura .... the report many times before she gave it to her boss. b While Laura .... the report, her computer started making strange noises and stopped working. c Laura .... the report, switched off her computer and went home.

Certainly! Here are the verbs in each group converted into the Past Simple, Past Continuous, or Past Perfect forms as specified: 1. **make** a. Paul **was making** a phone call when I went into his office. (Past Continuous) b. Paul had some coffee first and then he **made** some phone calls. (Past Simple) c. Paul **had made** twenty phone calls by the time he left the office for the day. (Past Perfect) 2. **get** a. As it **was getting** dark, the boys decided to go home. (Past Continuous) b. When it **got** dark, all the lights in the park went on creating a beautiful atmosphere. (Past Simple) c. By the time the boys decided to return home, it **had gotten** so dark that they needed a torch to find their way. (Past Perfect) 3. **perform** a. Dr. Stephens **was performing** an experiment while his students were watching him. (Past Continuous) b. Dr. Stephens **had performed** a lot of experiments before he made an important discovery. (Past Perfect) c. Two weeks ago, Dr. Stephens **performed** an experiment with the help of some university students. (Past Simple) 4. **fall** a. The baby **fell** asleep as soon as we put her in her bed. (Past Simple) b. As the baby **was falling** asleep, she was making some funny sounds. (Past Continuous) c. The baby **had fallen** asleep by the time he got home and he didn't want to wake her up. (Past Perfect) 5. **read** a. Laura **had read** the report many times before she gave it to her boss. (Past Perfect) b. While Laura **was reading** the report, her computer started making strange noises and stopped working. (Past Continuous) c. Laura **read** the report, switched off her computer, and went home. (Past Simple) Feel free to ask if you need anything else!