Complete the sentences with the correct form of have to.1)i learn english everu day . i have problems with it.2) my friends write a test . they are getting ready for it.3)alice phone her granny . she is ill.4)he buy tickets for the bus .5)they go by train every day . they live in the village and work in the city.6)we speak french to our guest from france. he doesnt understand russian.