If he does not learn stihnaizust he will not take part in this concertif my cousin will go to London she will visit the British Museum and the Tower of LondonIf they do not go right now, they missed the trainif Jack is late for dinner mom will angry at himthat you give Katya if she invited you on your birthday?you go to the disco if you invite your friend?When her eldest son graduated from school he goes well in this universityif the winter is snow we will go skiing and sledding and making snowmenhe will not talk to you if you do not apologize to himif I find my keys, I'll call youif that will not smoke it will feel much betterif she does homework today, tomorrow it will be free and able to go to the theater with usIf John does not work hard, he did not pass the examif Mary will have more free time, she will begin to learn French