
Verbo irregular: lie - lay - lain
Forma simple | Forma con V-ing | 
| I could lie you could lie he could lie we could lie you could lie they could lie  | I could be lying you could be lying he could be lying we could be lying you could be lying they could be lying  | 
Perfecto | Perfecto con V-ing | 
| I could have lain you could have lain he could have lain we could have lain you could have lain they could have lain  | I could have been lying you could have been lying he could have been lying we could have been lying you could have been lying they could have been lying  | 
Forma simple | Forma con V-ing | 
| I couldn't lie you couldn't lie he couldn't lie we couldn't lie you couldn't lie they couldn't lie  | I couldn't be lying you couldn't be lying he couldn't be lying we couldn't be lying you couldn't be lying they couldn't be lying  | 
Perfecto | Perfecto con V-ing | 
| I couldn't have lain you couldn't have lain he couldn't have lain we couldn't have lain you couldn't have lain they couldn't have lain  | I couldn't have been lying you couldn't have been lying he couldn't have been lying we couldn't have been lying you couldn't have been lying they couldn't have been lying  | 
Forma simple | Forma con V-ing | 
| could I lie? could you lie? could he lie? could we lie? could you lie? could they lie?  | could I be lying? could you be lying? could he be lying? could we be lying? could you be lying? could they be lying?  | 
Perfecto | Perfecto con V-ing | 
| could I have lain? could you have lain? could he have lain? could we have lain? could you have lain? could they have lain?  | could I have been lying? could you have been lying? could he have been lying? could we have been lying? could you have been lying? could they have been lying?  | 
Forma simple | Forma con V-ing | 
| couldn't I lie? couldn't you lie? couldn't he lie? couldn't we lie? couldn't you lie? couldn't they lie?  | couldn't I be lying? couldn't you be lying? couldn't he be lying? couldn't we be lying? couldn't you be lying? couldn't they be lying?  | 
Perfecto | Perfecto con V-ing | 
| couldn't I have lain? couldn't you have lain? couldn't he have lain? couldn't we have lain? couldn't you have lain? couldn't they have lain?  | couldn't I have been lying? couldn't you have been lying? couldn't he have been lying? couldn't we have been lying? couldn't you have been lying? couldn't they have been lying?  |