Joy English · Level B2 · Sciencejoy-english.com

Virtual Fences for Cows Show Benefits

Name:Date:

Hear “all … need” structures and the present perfect continuous.

Listen to each sentence and write what you hear.

Audio and answer checking: https://joy-english.com/listening-lessons/virtual-fences-for-cows-show-benefits

Words to know

virtual
Existing on a computer, not as a real object.
collar
A band worn around an animal's neck.
livestock
Farm animals such as cows and sheep.

Answer key

  1. To do this, all he needs is his phone.“All he needs is” means the only thing he needs.
  2. Strickland has been using the system for about six months.“Has been using” is the present perfect continuous. Numbers can be words or digits.
  3. Each animal wears a collar around its neck.“Each” takes a singular verb: “wears”.
  4. In this way, livestock quickly learn to stay away from the fence.“Stay away from” means not go near.
  5. All they need to do is change the virtual fence lines.“All they need to do is” plus a base verb means the only action needed.