rumus present continous sama past perfect apaan? bantuin dong..

rumusnya present continous :
(+) S + be (am/is/are) + present participle
(-) S + be (am/is/are) + not + present participle
(?)be (am/is/are) + S + present participle?
rumusnya past perfect :
(+) Subjek +  had + verb 3 + o
(-) Subjek +  had + not + verb 3 +o
(?) Had+ subjek + verb 3 + o?

Present continous tense =
Positif : subjek + be(am/is/are) + Ving
Negatif : subjek + be (am/is/are) + not + Ving
Introgatif : be(am/is/are) + subjek + Ving ?
Past perfect tense :
Positive : subjek + had + v3
Negativ :subjek + had not + v3
Introgative : had + subjek + v3 ?