6. Only two types of flowering plants are found 7. There are different types of penguins, flying birds, seals, and whales 8. Protecting Antarctica from nuclear tests and radioactive waste is very important to this continent
6. Only two types of flowering plants are found. 7. There are different types of penguins, flying birds, seals, and whales. 8. Protecting Antarctica from nuclear tests and radioactive waste is very important to this continent
9. What the treaty aims to do is to prevent the commercial and military use of the continent
9. What the treaty aims to do is to prevent the commercial and military use of the continent
Summary Structures Examples used as subjects nouns 5. Antarctica Noun phrases 7. penguins, flying birds
Structures used as subjects Examples nouns Noun phrases 7. penguins, flying birds, seals and whales 5. Antarctica Summary
infinitives 4 to imagine a more inhospitable place pronouns 2. it Numbers.98% of the surface 6. two types of flowering plants -ing forms 8. Protecting Antarctica from nuclear tests and radioactive was Noun 9. What the treaty aims to do clauses
infinitives pronouns Numbers -ing forms Noun clauses 4. to imagine a more inhospitable place 1. 98% of the surface 6. two types of flowering plants 9. What the treaty aims to do 2. it 8. Protecting Antarctica from nuclear tests and radioactive waste
Grammar 1-2 Explanation 1.主语的定义:主语是一个句子所叙述的 主体。主语一般位于句首,但在 there be结 构、疑间句(当主语不是疑问词时)和倒装 句中,主语位于谓语、助动词或情态动词 后面
1. 主语的定义: 主语是一个句子所叙述的 主体。主语一般位于句首, 但在there be结 构、疑问句(当主语不是疑问词时)和倒装 句中, 主语位于谓语、助动词或情态动词 后面。 Grammar 1 –2 Explanation