The word "dancing" is a gerund form, used as a noun (e.g. Dancing is hard work.)
But the -ing form is also used in the "continuous" or progressive tenses.
Present continuous: I am dancing.
Past continuous: I was dancing.
Future continuous: I will be dancing.
Present perfect continuous: I have been dancing.
Past perfect continuous: I had been dancing.
Future perfect continuous: I will have been dancing.
The word were is a past tense conjugation of "to be" (the other word is was).The past participle of "to be" is been.Past tense: they were dancingPast perfect tense : they had been dancing
The past perfect progressive tense is formed with the auxiliary verbs had + been and a present participle. The past perfect progressive tense of dance is had been dancing.
Yes, was dancing is past continuous.
The future perfect continuous tense of dance is will have been dancing.
I/He/She/It was dancingWe/You/They were dancing
I am dancing.You/We/They are dancing.He/She/It is dancing.
The word 'will' is typically used as a modal auxiliary verb to indicate future tense. It can also express willingness or make promises.
No the word dancing is not a plural noun. When used as a noun the word dancing is uncountable.
"Was dancing" as a whole is not a participle at all; instead it is the past progressive tense of "dance". "Dancing" is a present participle, not a past one.
The word "plays" is in present tense.
I/You/We/They dance. He/She/It dances. The present participle is dancing.
Ate is the past tense of the word eat. Its a past tense word