Direct --- Indirect
Is, am --- was
Are --- were
Has, have --- had
Shall, will --- would
Can --- could
May --- might
Do, does --- did
Must --- no change
Should --- no change
Had --- no change
Would --- no change
Could --- no change
Direct --- Indirect
Is, am --- was
Are --- were
Has, have --- had
Shall, will --- would
Can --- could
May --- might
Do, does --- did
Must --- no change
Should --- no change
Had --- no change
Would --- no change
Could --- no change