Suggested answer for Exercise 1
a- adjective, b-participle; c-participle/continuous aspect; d-participle/continuous aspect; e-gerund; f-participle; g-gerund; h-gerund; i-gerund; j-gerund; k-looking: continuous aspect, rising: adjective; l-participle m-talking:participle, having:gerund, heating: noun; n-noun; o-participle; p-participle; q-participle; r-sitting:participle, reading: continuous aspect; s-gerund; t-participle