The present participle of "sweet" is "sweetening."
"Fille" is a noun and so doesn't have a present participle. Only verbs do.
Learned is the past tense and past participle of learn. Present participles always end in -ing, so the the present participle of learn is learning.
Being is the present participle. The past participle is been.
Sweet isn't a verb and so doesn't have a present participle.
"Leaving" can be both a present participle and a past participle. As a present participle, it functions as part of the progressive verb forms (e.g., "I am leaving"). As a past participle, it is used in perfect verb tenses (e.g., "I have left").
Presenting is the present participle of present.
Present continuous is formed with be verb + present participle. The present tense be verbs = am / is / are, the present participle of come = coming so the present continuous isam/is/are coming
Presenting is the present participle of present.
Bicycle is generally a noun and so doesn't have tenses. The present participle of cycle, however, is cycling.
Caught is the past tense of catch so you need to know the present participle of catch not caught.catching
The present participle of "walk" is "walking."