3 MODALS Deduction and obligation: must, can't, should, etc. 40-1 3.21 Using a dictionary if necessary, complete each definition with one of the nouns and must or can't. conjecture contradiction disbelief inference 2 ........ known. 3 ...... 4 ...... : a difference between two ideas that means they. : a decision that something.......... : an opinion that something. : a feeling that something ..... both be true. ...............be true based on what is already be a certain way based on guessing. ....... be true.
