SHOULD HAVE / SHOULDN`T HAVE

Should have

Se usa "should have" para dar su opinión o pedir su opinión en el presente en relación a algo que sucedió en el pasado:

• "I had a terrible stomachache." "You should have gone to the doctor’s."
• "I didn’t hear from my father last week." "You should have called him."
• "She isn't happy with the salary she’s getting." "She shouldn't have accepted the job."

Se usa "should" / "shouldn't have" + el participio pasado del verbo principal Should have

Se usa "should have" para dar su opinión o pedir su opinión en el presente en relación a algo que sucedió en el pasado:

• "I had a terrible stomachache." "You should have gone to the doctor’s."
• "I didn’t hear from my father last week." "You should have called him."
• "She isn't happy with the salary she’s getting." "She shouldn't have accepted the job."

Forma

Se usa "should" / "shouldn't have" + el participio pasado del verbo principal.

Ejemplo 

I You He / She / It We They	should have	taken	a taxi.
	shouldn't have	written	that comment.

Should

I you he / she / it we they

have worked

overtime?

Have to

Se usa "have to" para mostrar que una persona está obligada a hacer algo, por lo general debido a una fuerza externa, "have to" también se puede usar para expresar opinión:

• You have to show your passport at passport control.
  (It's the law = Es la ley)
• Jenny has to do homework every evening.
  (Her parents told her to do her homework = Sus padres le dijeron que hiciera sus deberes)
• Tom had to work late last night.
  (He hadn't finished his work = no había terminado su trabajo)
• You have to tell him!
  (Esta es mi opinión (firme))
• You don’t have to eat that if you don’t like it.
  (I am not obliging you to eat it = No te estoy obligando a que lo comas)
• 
  

Se usa "should have" para dar su opinión o pedir su opinión en el presente en relación a algo que sucedió en el pasado:

• "I had a terrible stomachache." "You should have gone to the doctor’s."
• "I didn’t hear from my father last week." "You should have called him."
• "She isn't happy with the salary she’s getting." "She shouldn't have accepted the job."

Se usa "should" / "shouldn't have" + el participio pasado del verbo principal Should have

Se usa "should have" para dar su opinión o pedir su opinión en el presente en relación a algo que sucedió en el pasado:

• "I had a terrible stomachache." "You should have gone to the doctor’s."
• "I didn’t hear from my father last week." "You should have called him."
• "She isn't happy with the salary she’s getting." "She shouldn't have accepted the job."

Forma

Se usa "should" / "shouldn't have" + el participio pasado del verbo principal.

Ejemplo 

I You He / She / It We They	should have	taken	a taxi.
	shouldn't have	written	that comment.

Should

I you he / she / it we they

have worked

overtime?

Have to

Se usa "have to" para mostrar que una persona está obligada a hacer algo, por lo general debido a una fuerza externa, "have to" también se puede usar para expresar opinión:

• You have to show your passport at passport control.
  (It's the law = Es la ley)
• Jenny has to do homework every evening.
  (Her parents told her to do her homework = Sus padres le dijeron que hiciera sus deberes)
• Tom had to work late last night.
  (He hadn't finished his work = no había terminado su trabajo)
• You have to tell him!
  (Esta es mi opinión (firme))
• You don’t have to eat that if you don’t like it.
  (I am not obliging you to eat it = No te estoy obligando a que lo comas)
• 1) I should have (buy) more water.
• 2) You should have (listen) to me.
• 3) I should not have (forget) my passport.
• 4) He should have (wear) a tie to the restaurant.
• 5) I should not have (eat) so much.
• 6) We should not have (drive) during the storm.
• 7) You should not have (hide) your sister's phone.
• 8) I should have (do) more research.
• 9) She should not have (drink) so much wine.
• 10) I should have (write) more.