March 31, 2010 at 12:15 pm | Posted in Learn English, Practice English | Leave a comment

Basically, the functions of have/ has can be divided by 3. They are:
1. As full verb (have/ has + noun)
Formula: → S + HAVE/HAS + O
– I have a dog
– She has a beautiful book
2. As auxiliary verb (have/has + to) it has the same meaning with must which has function as Necessity, examples:
– We have to go home, because our parents are waiting us
– He has to leave the class because the time is already over
Formula: → S + HAVE/HAS + TO + V1 + O (ADV)
3. As perfect sentences (have/ has + V3)
Formula: → S + HAVE/HAS + V3/BEEN + O (ADV)
– I have eaten with my friend before lunch time
– She has gone in a few minutes ago

Well, for more detail you can download here



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