1. have you ever been to london? when were you there last? 2. have you read anything by jack london? which of his stories did you read last year? 3. have you ever travelled by air? when did you fly for the first time? 4. have you had any dictations this month? when did you have them? 5. have you read robinson crusoe by d. defoe? when did you read it? 6. how many trees have you planted this year? did you plant them in autumn or in spring? 7. have you had your dinner already? at what time did you have it?