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1.That man has been to Australia five times.
Has that man been to Australia five times?
Who has been to Australia five times?
Where has that man been five times?
Has that man been to Australia or to the UK five times?.
That man has been to Australia five times,hasn't he?

2.You must call your elderly parents every week.
Must you call your elderly parents every week?
Who must call your elderly parents every week?
How often must you call your elderly parents?
Must you call your elderly parents every week or every month?
You must call your elderly parents every week, mustn't you?

3.There are all modern conveniences in the cottage.
Are there any modern conveniences in the cottage?
What are there in the cottage?
Are there any modern conveniences in the cottage or in the flat?
There are all modern conveniences in the cottage, aren't there?

1.That man has been to Australia five times
Has that man been to Australia five times?
Has that man been to Australia five or six times?.
.That man has been to Australia five times,hasn't he?
Where has that man been five times?
Who has been to Australia five times?

2.You must call your elderly parents every week.
Must you call...
3.There are all modern conveniences in the cottage.
Are there ..