Question

estructura gramatical del tiempo presente y pasado perfecto,afirmativa y negativa(traducido)​

Answer 1

Respuesta:

present perfect

- sub + have/has + verb past participle + complement. (affirm)

- sub + haven't/hasn't + verb past participle + complement (neg)

past perfect

- Sub + had + verb past participle + compl. (affirm)

- sub + had not + verb past participle + compl. (neg)