Using the present perfect tense likes that 1 only (rccb takan, resulting in the past, a present and a future to continue), but rather focuses on how exactly do consistently.
The likes present perfect tense Article 1 only (NOTE incident in the past. Continue to the present And continuing into the future), but all emphasize that to continue.
Use likes present perfect tense Article 1 only (incident in the past. Reaching its present and future continuous) exactly. But it is emphasized that carry on.