While - 344 Edit "Education is from Womb to Tomb!" ❤❤❤ ❤❤❤ ❤❤❤ ❤❤❤ ❤❤❤ While.Si1. Separate. 2. Combined.1. The cow was grazing. A train passed by.2. A train passed by while the cow was grazing.1. I am speaking. Don’t talk.2. Don’t talk while I am speaking. Next Lesson Prev Lesson