UNIT2Lesson 7 ~ 12 Plant a Plant !Functions:Grammar:Structures:Talking about Plants and GardeningWord Building It’s fun and important to plant plants. Gardening is a very enjoyable hobby. That is the whole purpose of growing a garden.We Will Learn Lesson 7: Planting Trees1) must 情态动词的用法2) be filled with3) suppose 的用法I. Learning aims: The words and phrases: hole, large, root, seedling, cover, fill, dirt, pack, dust, storm, dirty, northern, bottomII. Learning important and difficult points: holerootseedlingstormfilldirtpackdustcoverdirtynorthernbottomlargeNew WordsNew Words●Have you ever planted a seed? How do you plant a seed?●What does a plant need to grow?●What are the basic steps for planting a tree?Think about it !After you plant a plant in a pot,what do you do next?Discuss how to plant a seed in a pot.◆Cover your seed with oil.◆Water your seed everyday. It can’t water itself.◆Put it in the sun. Plants need sunshine!Project: Grow! Grow! Grow! Soon, your seed will grow roots and a stem. Then it will grow a leaf and then another leaf. Your seed will grow into a plant.Make a poster. How will your seed grow? Write four or five sentences.What will your plant look like? Draw a picture of your plant and label its roots, stems, leaves and flowers.Put your poster above your pot. Now everyone can see how your seed will grow!Language Points1.It must be large enough to hold the roots of the seeding. 它必须足够大以容纳的种子根。must 是情态动词,意为“必须;肯定”。用在肯定句中表示较有把握的推测。对现在的状态或现在正发生的事情的推测时, must 后面通常接系动词 be 的原形或行为动词的进行式。如:You have worked hard all day. You must be tired. 你辛苦干一整天,一定累了。fill 作动词,常用动词词组 fill… with… 意为“...