Помогите пожалуйста. Сделала уже на черновике,но думаю неправильно. ♡Пожалуйста!♡ извиняюсь за плохое качество,132 номер

СПАСИБОО

1)I have built the small house.2)I have built the small house,when I came from school3)I haven't never built the small house.4)I haven't built the small house yet.5)Have you ever built towers?6)We built a house yesterday.7)I haven't learned the words.8)We didn't do homework.9)They haven't never seen crocodile.10)They didn't see crocodile yesterday.