I am / was
you are / were
he, she, it is / was
we are / were
you are / were
they are / were
B�gh, Jens og J�rgen Hovgaard (1987): Fejlst�vsugeren. Grammatisk �vebog i engelsk, Musagetes, 1987.
Digby, Christine og John Myers (1993): Making Sense of Spelling and Pronunciation, Prentice Hall, 1993.