: This lesson typically reinforces the use of Passive Voice and Time Expressions (e.g., "for," "since," "ago").
Lesson 21 heavily utilizes the to emphasize the action rather than the doer. Active Voice Example Passive Voice Example (Lesson 21) Present Simple We hear passing planes. "Passing planes can be heard night and day." Past Simple They built the airport. "The airport was built years ago." Present Perfect They have offered me money. "I have been offered a large sum of money." Future A plane will knock down the house. "This house will be knocked down ." Study Resources new concept english practice and progress audio 21 verified
, is titled . This lesson is a staple for intermediate learners, focusing on natural storytelling and specific grammatical structures. Core Content: "Mad or Not?" : This lesson typically reinforces the use of
For many students, is a pivotal moment. It introduces crucial grammar points that bridge the gap between simple communication and complex expression. "Passing planes can be heard night and day