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Step1.Greet the class.
Hello,everybody!
Step2.Lead-in.
In this class, we'll review the eight types of tenses. First, let's listen to an English song, The Day You Went Away. Play the song by CAI and show the lyric of the song for the students. Have them listen and look at the lyric, then find out that how many kinds of tenses are used in this song and what they are. Then check the answers with the students.
Step3.Revise the usages of the tenses.
Put up a big card that has a time and tense axis on the blackboard. The axis shows the eight types of tenses in the different parts of time(past, now and future). When show the axis, have the students look at the screen. The usages and example sentences are on it.
The time and tense axis
past present future
had done did do/does will/shall do
was/were doing am/is/are doing
have/has done
would/should do
The usages and example sentences:
1、现在进行时
1).表示说话时正在进行的动作.常和now，Look！Listen！或其他铺垫句连用。
例：I am reading a book now.
Look！They are having a basketball match.
It's 7：00 pm.The Greens are watching TV.
2).表示现阶段正在进行着的动作但说话时不一定正在进行。
例：Mr.Green is writing another novel. （说话时并未在写，只处于写作的状态。）
3).表示在近期按计划或安排要进行的动作。即用现在进行体表示将来要发生的动作。但一般要与将来时间连用，而且仅限于少量动词。例如： come，go，start，arrive，leave，stay等。
例：Mr.Smith is leaving for London tomorrow.
2、一般现在时
1).经常性或习惯性的动作，常与表示频率的时间状语连用。
例：I leave home for school at 7 every morning.
2).客观真理、客观存在、科学事实。
例：The earth moves around the sun.
Shanghai lies in the east of China.
此用法出现在宾语从句中，主句是过去时，从句谓语也要用一般现在时。
例：Columbus proved that the earth is round.