高一英語Unexplained Mysteries of the Natural World教案
3. pair work
ask ss to listen to the sentences in activity 2 and repeat the elides. then ask them to practise more.
suggested answers:
(1) went to= / / (2) most fantastic= / / (3) didn’t take= / /
step 5. everyday english
ask ss to choose the correct answers to everyday english exercises and try to grasp the meaning of these expressions on page 58.
suggested answers:
(1) a (2) b (3) a (4) a (5) b (6) a (7) b
step 6. homework
1. ask ss to finish vocabulary exercises in the workbook on pages 98~99.
2. ask ss to preview grammar and function.
period 4 function, grammar
teaching goals:
1. to enable ss to know about the way to express possibility and improbability.
2. to enable ss to master the usage of “may”, “might”, and “likely”.
3. to help ss learn how to use modal verbs “may” and “might” to express conjecture.
teaching procedures:
step 1. revision
check the answers to the vocabulary exercises in the workbook.
step 2. function
purpose: to let ss know how to talk about possibility and improbability.
1. pair work
ask ss to do activity 1 on page 54 and then call back the answers.
suggested answers:
(1) a, b (2) c (3) unlikely
2. group work
ask ss to identify the creatures in the pictures in activity 4 on page 55, by using “may” or “might”. arouse their interest in talking about possibility.
3. individual work
ask ss to do activity 2 on page 54 individually. then check their answers.
suggested answers:
(1) there might still be dinosaurs somewhere.
(2) don’t go near the water. it may be very deep.
(3) we are unlikely to see the monster.
(4) there may be an underground river from loch ness to the sea.
(5) we must help him – he may not be able to swim.
(6) there are likely to be lots of strange creatures in that lake.
step 3. grammar
purpose: to enable ss to know how to use modal verbs “may” and “might” to express conjecture.
1.group work
ask ss to discuss the two sentences in activity 1 of grammar on page 57, and then ask them to choose the best answer.
suggested answers:
we use may have or might have (with the past participle) to talk about something which happened in the past—perhaps.
2. explanation
explain how to use modal verbs to talk about something which happened in the past—perhaps.
(1) 對過去的事情進行猜測，但把握較小時，肯定形式一般用may have done，否定形式一般用may not have done。如：