,Составить предложения в Present Perfect Tense 4 утвердительных и 4 от рицательных. Пожалуйста помогите. Мне на завтра.

.положительные.. i have already visited gallery. we have done our work yet. they have started the competitions. she had a breakfast yesterday. отрицательные... i have never been in London. i have never seen this film. she haven't done her homework. he hasn't visited the museum. they haven't drunk yesterday.