Present perfect
Aff: sujeto + have/has + participio del verbo+ complemento
ej: I have bought a new dress.
Int: have/has + sujeto + participio del verbo+ complemento + ?
ej: Have I bought a new dress?
Neg: sujeto + haven't/hasn't + participio del verbo+ complemento
ej: I haven't bought a new dress.
Pasado simple
Aff: sujeto + verbo en pasado + complemento
Int: Did + sujeto + verbo + complemento + ?
Neg: sujeto + didn't + verbo + complemento
Indirect question (transforma a indirecta)
1) Excuse me, where is the...