41. to be delivered 

→ be supposed to do sth 

42. seeing

→ forget + V_ing

43. to go down

→  expect + to V 

44. being worried

→ instead of + V_ing

45. talking

→ S + keep + V_ing

46. to pass

→ expect + to V

47. spending

→ love + V_ing  

48. calling

→ insist on + V_ing

`41.` to be delivered ( ( It+ be+ one's duty+ to V-inf → S+ be+ supposed+ to V-inf: có trách nhiệm phải... )

`42.` seeing ( forget+ to V-inf: quên điều gì chưa làm; forget+ V-ing: quên mất một điều đã làm ở quá khứ )

`43.` to go down ( expected+ to V-inf: kì vọng, trông đợi )

`44.` being worried ( Instead of+ V-ing/ N/ NP, clause ) - spending ( go on+ V-ing: tiếp tục )

`45.` talking ( keep+ V-ing: tiếp tục làm gì )

`46.` to pass ( be expected+ to do Sth: được kì vọng làm gì )

`47.` spending ( like/love/enjoy/ ...+ V-ing: thích )

`48.` calling ( insist on+ V-ing: khăng khăng )