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 cannot precheck you cannot precheck he cannot precheck we cannot precheck you cannot precheck they cannot precheck	I cannot be prechecking you cannot be prechecking he cannot be prechecking we cannot be prechecking you cannot be prechecking they cannot be prechecking
Perfecto	Perfecto con V-ing
I cannot have prechecked you cannot have prechecked he cannot have prechecked we cannot have prechecked you cannot have prechecked they cannot have prechecked	I cannot have been prechecking you cannot have been prechecking he cannot have been prechecking we cannot have been prechecking you cannot have been prechecking they cannot 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 I not precheck? can you not precheck? can he not precheck? can we not precheck? can you not precheck? can they not precheck?	can I not be prechecking? can you not be prechecking? can he not be prechecking? can we not be prechecking? can you not be prechecking? can they not be prechecking?
Perfecto	Perfecto con V-ing
can I not have prechecked? can you not have prechecked? can he not have prechecked? can we not have prechecked? can you not have prechecked? can they not have prechecked?	can I not have been prechecking? can you not have been prechecking? can he not have been prechecking? can we not have been prechecking? can you not have been prechecking? can they not have been prechecking?