ex 4
1 going; watching 2 not to make; to pass; 3 walking; taking; being 4 hurry; to take; to eat; arrive 5 to buy; to lend; helping 6 stay; to take; promise
ex 5
2 to take 3 write 4 reading 5 learning 6 to finish 7 looking 8 working 9 looking 10 to stay 11 to try 12 to congratulate