4. caerse

5. leer

7. construir

13. La enfermedad enfermarse estar mal estar resfriado(a) resfriarse estornudar tener tos tener fiebre to get sick to be sick to have a cold to catch a cold to sneeze to have a cough to have fever

26. It can be used as an adjective You can use it to describe a condition or an injury to a part of the body

27. To form the past participle, Drop –ar for –ar ending verbs Add –ado Drop –er or –ir for –er or –ir ending verbs Add –ido

43. When used as adjectives, participles must agree with nouns in number and gender