1-i thought that you.....late. варианты-would have been; will be; would be; would been being.
2-ann has just said that she....to spain next summer.варианты-will go; goes; went; would go.
3-i knew ann.....next friday.варианты-would be packing; would pack; will have packed; will be packing.
4-i said that i.... there the next day.варианты-should go; would go; should go;will have gone.