21. I can't help + (verb+ing)
804
22. I was busy + (verb+ing)
899
23. I'm not used to + (verb+ing)
706
24. I want you to + (verb)
713
25. I'm here to + (verb)
725
26. I have something + (verb)
966
27. I'm looking forward to + (verb+ing)
1535
28. I'm calling to + (verb)
1215
29. I'm working on + (noun)
768
30. I'm sorry to + (verb)
916