动词按照be,can,play三类进行,并各具一个例句,play类举2个.
现在时
①一般现在时,表示客观事实或真理.
结构：S+V(s/es) （第三人称单数时动词加s）
例句：
He is a good teacher.He can play B-ball.
He lives in Si Chuan.You look very hungry now.
②现在进行时,表示现在正在进行或继续的动作,状态.
(只有play类词方有此种时态)
结构：S+ be +Ving
例句：
I am writing a letter now.
It is raining now.
John is doing his assignment right now.
③现在完成时,表示过去的动作对现在有影响或过去的动作持续到现在.(只有play,be类词方有此种时态)
结构：S+ have/has +Ved(动词的过去分词)
例句：
He has been a teacher for 5 years.
I have already seen it.
I have lived here for ten years.
④.现在完成进行时,表示从过去某时开始,一直继续到目前的动作.其特点在强调“动作的继续”性质.
结构：S+ have/has been doing sth (只有play类词方有此种时态)
例句：
He”s very tired,he has been working hard all day.
That man has been working since 2 am this morning.
过去时
①一般过去时,表示过去的事情,动作,状态或过去的习惯.
结构：S+ Ved (动词的过去式)
例句：
Bill was very thin when he was a child.
They could sing songs well when they were young.
John went to Shanghai yesterday.
②过去进行时,表示过去某时正在进行的动作.如：
结构：S+ was/were + doing sth (只有play类词方有此种时态)
例句：
I was watching TV at eight o”clock last night.
He was sleeping when I arrived.
将来时
①一般将来时,表示将来的动作或状态.如：
结构：S+ will + do sth (只有play、be类词方有此种时态)
S+ be going to + do sth S + be doing sth
例句：
It will be fine tomorrow.
I will go to the movies tonight.
We will have a birthday party for our friends.
你发现了吗?G
一般时(现在、过去、将来)适用于各种词类
进行时（现在、过去、现在完成）只适用于play动词
完成时（现在）只适用于be 类play类动词
注意：正确运用时态结构的前提是明确各时态句子所处的时间.记住：一看时间、二看词（动词）
注意：表示将来会做什么事,怎么办呢?应该用_______________表达.
