สรุป tenses ที่จำเป็นนะคะ ให้นักศึกษาจำ form และ signal word ให้ดีเพราะจะเป็นสิ่งที่ช่วยให้นักศึกษาสามารถแยกได้ว่าประโยคนั้นเป็น tense อะไร
Tense 
 | 
Signal words 
 | 
Form 
 | 
Examples 
affirmative  | 
Examples 
negative  | 
Examples 
interrogative  | 
every day 
sometimes always often usually seldom never first ... then  | 
Subj.+V1.+s 
Subj.+V1. 
 | 
I work.  
 | 
I don't work. 
 | 
Do I work? 
 | |
He works. 
 | 
He doesn'twork. 
 | 
Does hework? 
 | |||
I go. 
 | 
I don't go. 
 | 
Do I go? 
 | |||
He goes. 
 | 
He doesn't go. 
 | 
Does he go? 
 | |||
now 
at the moment Look! Listen!  | 
Subj.+am/are/is +V. ing 
 | 
I'm working. 
 | 
I'm not working. 
 | 
Am Iworking? 
 | |
He's working. 
 | 
He isn'tworking. 
 | 
Is heworking? 
 | |||
I'm going. 
 | 
I'm not going. 
 | 
Am I going? 
 | |||
He's going. 
 | 
He isn't going. 
 | 
Is he going? 
 | |||
last ... 
... ago in 1990 yesterday  | 
regular: 
Subj+V.ed/V.2  | 
I worked.  
 | 
I didn't work.  
 | 
Did I work? 
 | |
He worked.  
 | 
He didn't work. 
 | 
Did he work? 
 | |||
I went. 
 | 
I didn't go. 
 | 
Did I go? 
 | |||
He went. 
 | 
He didn't go. 
 | 
Did he go? 
 | |||
while 
 | 
Subj.+was/were +V. ing 
 | 
I was working.  
 | 
I wasn'tworking.  
 | 
Was Iworking? 
 | |
He wasworking. 
 | 
He wasn'tworking. 
 | 
Was heworking? 
 | |||
I was going. 
 | 
I wasn't going. 
 | 
Was I going? 
 | |||
He was going. 
 | 
He wasn'tgoing. 
 | 
Was hegoing? 
 | |||
just 
yet never ever already so far, up to now, since for recently  | 
Subj.+have/has+V.ed/V.3 
 | 
I have worked.  
 | 
I haven'tworked.  
 | 
Have Iworked? 
 | |
He has worked. 
 | 
He hasn'tworked. 
 | 
Has heworked? 
 | |||
I have gone. 
 | 
I haven't gone. 
 | 
Have I gone? 
 | |||
He has gone. 
 | 
He hasn't gone. 
 | 
Has he gone? 
 | |||
Subj.+will/shall + V1. 
 | 
I'll work. 
 | 
I won't work. 
 | 
Will I work? 
 | ||
He'll work. 
 | 
He won't work. 
 | 
Will hework? 
 | |||
I'll go. 
 | 
I won't go. 
 | 
Will I go? 
 | |||
He'll go. 
 | 
He won't go. 
 | 
Will he go? 
 | |||
Subj.+am/are/is+ going to +infinitive 
 | 
I'm going towork. 
 | 
I'm not going towork. 
 | 
Am I going towork? 
 | ||
He's going towork. 
 | 
He's not going to work. 
 | 
Is he going towork? 
 | |||
I'm going to go. 
 | 
I'm not going togo. 
 | 
Am I going togo? 
 | |||
He's going togo. 
 | 
He's not going to go. 
 | 
Is he going togo? 
 | 

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