| 1. | Present continuous and present perfect passives with prepositions of cause
现在进行式和现在完成式 |
| 2. | Revising the present / future / past indefinite tense and the present continuous tense
复习一般现在/将来/过去时和现在进行时。 |
| 3. | We use the present continuous tense to talk about things that are happening now
我们使用现在进行时谈论现在正在发生的事情 |
| 4. | Present continuous tense
现在进行时 |
| 5. | Present continuous with yesno and wh ; questions , statements and brief answers
现在进行式：包括是非题， wh -问题，声明及简答 |
| 6. | 1 complete these sentences with the present continuous form of the verbs given in the brackets , changing the word order where necessary
用括号中所给的动词的现在进行时完成句子，必要时变化词序。 |
| 7. | Reason : the vocabulary of trees and environment and the relative background knowledge is widely used . the present continuous tense is one of the most important tenses in english language
难点：用采访中列举的大量事实来回答有关树木的问题，能够在日常生活中得到有效的理解和运用。 |
| 8. | The pragmatic connotations in some grammatical rules of english are explored by making an analysis with the examples of those grammatical categories , such as the present indefinite , the past indefinite , the present continuous , the disjunctive question , the inversion , the passive voice and the cleft sentence
该文通过实例，对动词的一般现在时、一般过去时、现在进行时以及反意疑问句、倒装句、被动语态和强调句型等传统语法规则中的语用因素进行分析，揭示语法形式背后所蕴含的语用信息。 |
