Conjugación del verbo inglés
CAN PRECHECK

Verbo regular: precheck - prechecked - prechecked

Afirmación

Forma simple	Forma con V-ing
I can precheck you can precheck he can precheck we can precheck you can precheck they can precheck	I can be prechecking you can be prechecking he can be prechecking we can be prechecking you can be prechecking they can be prechecking
Perfecto	Perfecto con V-ing
I can have prechecked you can have prechecked he can have prechecked we can have prechecked you can have prechecked they can have prechecked	I can have been prechecking you can have been prechecking he can have been prechecking we can have been prechecking you can have been prechecking they can have been prechecking

Negación

Forma simple	Forma con V-ing
I can't precheck you can't precheck he can't precheck we can't precheck you can't precheck they can't precheck	I can't be prechecking you can't be prechecking he can't be prechecking we can't be prechecking you can't be prechecking they can't be prechecking
Perfecto	Perfecto con V-ing
I can't have prechecked you can't have prechecked he can't have prechecked we can't have prechecked you can't have prechecked they can't have prechecked	I can't have been prechecking you can't have been prechecking he can't have been prechecking we can't have been prechecking you can't have been prechecking they can't have been prechecking

Forma interrogativa

Forma simple	Forma con V-ing
can I precheck? can you precheck? can he precheck? can we precheck? can you precheck? can they precheck?	can I be prechecking? can you be prechecking? can he be prechecking? can we be prechecking? can you be prechecking? can they be prechecking?
Perfecto	Perfecto con V-ing
can I have prechecked? can you have prechecked? can he have prechecked? can we have prechecked? can you have prechecked? can they have prechecked?	can I have been prechecking? can you have been prechecking? can he have been prechecking? can we have been prechecking? can you have been prechecking? can they have been prechecking?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I precheck? can't you precheck? can't he precheck? can't we precheck? can't you precheck? can't they precheck?	can't I be prechecking? can't you be prechecking? can't he be prechecking? can't we be prechecking? can't you be prechecking? can't they be prechecking?
Perfecto	Perfecto con V-ing
can't I have prechecked? can't you have prechecked? can't he have prechecked? can't we have prechecked? can't you have prechecked? can't they have prechecked?	can't I have been prechecking? can't you have been prechecking? can't he have been prechecking? can't we have been prechecking? can't you have been prechecking? can't they have been prechecking?