Exercise 51.1
Unit 51 - Auxiliary verbs·English Grammar in Use
Frage
Complete each sentence with an auxiliary verb (do / was / could etc.). Sometimes the verb must be negative (don’t / wasn’t etc.).
Unit 51 - Auxiliary verbs·English Grammar in Use
Frage
Complete each sentence with an auxiliary verb (do / was / could etc.). Sometimes the verb must be negative (don’t / wasn’t etc.).