I have played in the room lately. They have swum in the river. Sam has written a letter. Have I played in the room lately? Have they swum in the river? Has Sam written a letter? I haven't played in the room lately. They haven't swum in the river. Sam hasn't written a letter.
Утвердительные предложения:
1). I have played in the room lately.
2). They have swum in the river.
3). Sam has written a letter.
Вопросительные предложения:
1). Have I played in the room lately?
2). Have they swum in the river?
3). Has Sam written a letter?
Отрицательные предложения:
1). I haven't played in the room lately.
2). They haven't swum in the river.
3). Sam hasn't written a letter.