Vyjádření povinnosti slovesem have to

 

Odkazy

have / has + to inf.  

do / does not have + to inf.

 

I

You

We

They

 

have to

don’t have to

 

travel a lot.

get up early every day.

He

She

It

 

has to

doesn’t have to

 

 

Do

I/you/we/they

have to work at weekends?

Yes, I do.

No, I don’t.

Does

he/she/it

Yes, he does.

No, he doesn’t.

 

 

Použití

Používáme v přítomném čase. Povinnost / absence povinnosti se zakládá na „vnějších“ okolnostech (příkaz, zákon, nařízení, pravidla)

My doctor says I have to stop smoking.

I don’t have to work tomorrow. It’s Sunday.

 

Srov. Pokud je povinnost subjektivní (tzn. zakládá se na vlastním přesvědčení), potom použijeme pro přítomný čas must.

I must stop smoking. I don’t like it any more.

http://www.oup.com/elt/global/products/headway/preintermediate/a_grammar/unit08/hwy_preint_unit08_1/

http://www.oup.com/elt/global/products/headway/preintermediate/a_grammar/unit08/hwy_preint_unit08_4/

http://www.english-grammar-lessons.com/musthaveto/exercise1.swf

http://www.english-grammar-lessons.com/musthaveto/exercise2.swf

http://www.english-grammar-lessons.com/musthaveto/exercise3.swf

http://www.english-grammar-lessons.com/musthaveto/exercise4.swf

http://www.english-grammar-lessons.com/musthaveto/exercise5.swf

http://www.oup.com/pdf/elt/products/file2-2.pdf