I could theorise you could theorise he could theorise we could theorise you could theorise they could theorise
Form mit V-ing
I could be theorising you could be theorising he could be theorising we could be theorising you could be theorising they could be theorising
Perfekt
I could have theorised you could have theorised he could have theorised we could have theorised you could have theorised they could have theorised
Perfekt mit V-ing
I could have been theorising you could have been theorising he could have been theorising we could have been theorising you could have been theorising they could have been theorising
Negation
Einfache Form
I couldn't theorise you couldn't theorise he couldn't theorise we couldn't theorise you couldn't theorise they couldn't theorise
Form mit V-ing
I couldn't be theorising you couldn't be theorising he couldn't be theorising we couldn't be theorising you couldn't be theorising they couldn't be theorising
Perfekt
I couldn't have theorised you couldn't have theorised he couldn't have theorised we couldn't have theorised you couldn't have theorised they couldn't have theorised
Perfekt mit V-ing
I couldn't have been theorising you couldn't have been theorising he couldn't have been theorising we couldn't have been theorising you couldn't have been theorising they couldn't have been theorising
Fragende Form
Einfache Form
could I theorise? could you theorise? could he theorise? could we theorise? could you theorise? could they theorise?
Form mit V-ing
could I be theorising? could you be theorising? could he be theorising? could we be theorising? could you be theorising? could they be theorising?
Perfekt
could I have theorised? could you have theorised? could he have theorised? could we have theorised? could you have theorised? could they have theorised?
Perfekt mit V-ing
could I have been theorising? could you have been theorising? could he have been theorising? could we have been theorising? could you have been theorising? could they have been theorising?
Fragende Negation Form
Einfache Form
couldn't I theorise? couldn't you theorise? couldn't he theorise? couldn't we theorise? couldn't you theorise? couldn't they theorise?
Form mit V-ing
couldn't I be theorising? couldn't you be theorising? couldn't he be theorising? couldn't we be theorising? couldn't you be theorising? couldn't they be theorising?
Perfekt
couldn't I have theorised? couldn't you have theorised? couldn't he have theorised? couldn't we have theorised? couldn't you have theorised? couldn't they have theorised?
Perfekt mit V-ing
couldn't I have been theorising? couldn't you have been theorising? couldn't he have been theorising? couldn't we have been theorising? couldn't you have been theorising? couldn't they have been theorising?