Переведите следующие предложения в конвенную речь.очень нужно к завтру,помогите

Alec asked us why we helped him, he was lazy, he could do everything himself.
Lena said that she didn`t want to go to the zoo, she had been there the previuos week with her cousin and had seen all the animals.
Nick told father to look at his stamps and asked when he would buy some new ones for him.
Tanya said that she couldn`t do that exercise,it was too difficult. She asked her brother why he hadn`t asked his teacher to explain it.
The light-house keper asked if he could see the lights over there in the distance.His assistany answered that he could,a ship was giving signals

Alec asked us why we helped him, he was lazy, he could do everything himself.
Lena said that she didn`t want to go to the zoo, she had been there the previuos week with her cousin and had seen all the animals.
Nick told father to look at his stamps and asked when he would buy some new ones for him.
Tanya said that she couldn`t do that exercise,it was too difficult. She asked her brother why he hadn`t asked his teacher to explain it.
The light-house keper asked if he could see the lights over there in the distance.His assistany answered that he could,a ship was giving signals .