a. 现在进行时-不一定在进行

i. 说话时刻正在进行的动作

ii. 在目前一段时间内持续的一种暂时情况

1. Long hair is really in right now, so I’m letting my hair grow.
2. Florence is putting away half per pay each month. Soon, she’ll be able to buy a new car.

iii. 表示“改变”的动词，强调“逐渐变化”的过程

1. It’s getting dark
2. His health is deteriorating

iv. 用于强烈的感情色彩表达

1. What are we waiting for then? Let’s get started 表不耐烦
2. You are asking too much!你的要求太过分了

v. 表将来的确定的安排 I am leaving tonight

vi. 与always连用表多次重复，有感情色彩 always,forever,continually,constantly

1. Scott is very generous. He’s always giving his friends gifts and inviting them out for meals.
2. He is always pulling my leg
3. How come Joe is always groaning about things?

b. 过去进行时，回顾过去讲故事

i. 用来设置背景故事

1. It was getting darker. The rain was beating on the windows. The wind was rising.

ii. 使用过去进行时要注意动作状态

1. I was watching TV when the telephone rang.
2. I was walking past the car when it exploded.

iii. When和While的区别 when +短动作一般过去时，或长动作过去进行时 while +长动作过去进行时

1. I was walking the car when it exploded
2. The car exploded while I was walking past it

iv. 两个同时进行的动作 While I was studying last night, my wife was watching TV.

v. 描述一件过去正在发生的事情

1. I was having dinner with my friends at 10 o’clock last night.
2. You were speeding just now.

vi. 表示委婉的请求和建议 hope, wonder, think

1. I was wondering if you’d like to lend me your car.

c. 将来进行时—想象未来

i. 将来某一特定时刻正在持续的事

1. By this time next year, I will be writing my thesis.

ii. 将来计划好的事情

1. 现在进行时只表示最近的将来，将来进行时可表示最近的将来，也可表示较远的将来
   a. I am meeting him tomorrow
   b. I will be meeting him tomorrow/next year

iii. 表示背景动作

1. Will your friends be waiting you at the airport when you arrive?

iv. 用在疑问句中，表客气用法

1. How long will you be staying?
2. Will you be seeing it?
   注意：客观的询问事实，用will be doing来提问，表示不干涉，用 will do提问 表示

v. 表示客观的未来，以避免与表示“意愿”的will do混淆

1. If I fail to show up by 7 o’clock, I will not be coming at all. （如果7点我还没露面的话，我就来不了了）
2. He won’t resign 他拒绝辞职
3. He won’t be resigning 他不会辞职的

d. 深入分析进行时的思维特征

i. 进行时态的核心含义（事件具有持续性，短暂性，未完成）

ii. 进行时态与动词体

1. 静态动词 描绘一个稳定的情况
   a. Perception smell, see, hear, taste, feel
   b. Cognition know, believe, imagine, recognize, understand
   c. Possession bear, owe, belong, have, lack
   d. Emotion or opinion like, love, prefer, appreciate
   e. Measure equal, measure, weigh, cost
   f. Relation contain, entail, consist of, include
   g. Description be, resemble, sound, appear
2. 短暂动词 表示不能持续或者延续极短的动词
   a. He kicked the ball
   b. It hit the window
3. 延续动词 表一个可以持续的活动或过程 run,swim,write,grow
4. 延续状态，短暂动作，延续动作 注意修饰的时状态还是动作，以及发生时的动作时态
   a. I am up
   b. I am/came here to do sth
5. 延续动词与进行时态
6. 短暂动词与进行时态 表动作的反复或一个事件的开始
7. 静态动词与进行时态 一般情况下，静态动词不能用于进行体.
   a. Tast,smell,feel,look,appear 等静态动词不做系动词时，可用进行体。
8. 延续状态（be+adj.）与进行时态
   a. 形容词分动态和静态
   i. 静态形容词 all,red,long,big,beautiful,important
   ii. 动态形容词 brave,calm,cruel,naughty,rude,silly,stubborn
   b. 在使用过程中being +adj 有“有意如此”的意思：
   i. He’s being rude