2. Look at the sentences from the text in Lesson 2 and choose the correct option to complete the statements below. The painting was originally called The Blue Cloak or The Folly of the World indicating that Bruegel must have intended not just to illustrate proverbs, but rather to illustrate the universal stupidity of man. Bruegel might have revealed the absurdity of humans, as shown through his painting. Experts must have been working really hard on identifying the proverbs, but some of them have been lost to history. We use must + have + V3 when we are (1) certain/uncertain about situations in the (2) past/present/future. We use might + have + V3 when we are (3) certain/uncertain about situations in the (4) past/present/future. We use must/might/could/may + have + been + Ving when we talk about an action that could have happened (5) continuously/briefly over a period of time in the past. 95​

certain, past

uncertain, past

uncertain, past

uncertain, past

continuously over a period of time in the past.