O Past perfect contin
continuous
1 Match 1-4 with a-d. Then circle the correct
words to complete the rule.
1 He had been studying for two hours when I arrived.
2 He was studying when I called him.
3 He had been studying all night so he was tired.
4. He was studying at 8 pm yesterday.
an action that had continued up to a moment in the
past; duration is emphasised.
b an action continuing up to a moment in the past; its
effects/results are shown
can action in progress at a moment in the past,
interrupted by another action
d an action in progress at a time in the past
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