Modals in the Past! Muzu to delat zitra. I can do that tmrw. J Mohl jsem to delat vcera. (I could do that yesterday.) L Do = present infinitive Have done = past infinitive (have + 3. tvar) I could HAVE DONE that yesterday. J + I could have done it. - He can’t/couldn’t have done it. She may/might have done it. She must have done it. She should have read the book for Cultural Politics, her very favourite subject. I should NOT have played that tournament. Drink-drank-drunk I should have made a birthday card _for _ my grandma. I was able to do that yest. I could HAVE DONE that yest. I should have done that. He might have done that. He must have done that. He ought to have done that. I could eat the pancakes. I could have eaten the pancakes.