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