Tense allows for the sequencing of two or more noncontinuous events that occur in the same time period is perfect tense.
The perfect tense is a verb which indicates the actions which occurred earlier in the time and the resultant action is focused.
For example, the children have completed the homework.
The above sentence gives the information about the past action of 'doing homework' which is now completed, referring to the result of the action occurred earlier.
Perfect tenses help with deciding the action word or the activity word as something that recently occurred or is made, in this way the term 'perfect'.
On the off chance that it is available perfect tense, it indicates that the action was previously done approximately to the present (has/have with a past participle). On the off chance that it is past perfect tense, the action is currently completed roughly to the past (had with past participle and on the off chance that it is future perfect tense, the action is just in respect to what's to come).
Which word is need to complete this sentence? - We were lucky to see a loggerhead turtle at the zoo. My mother told me they are on the ___________ species list.
The three friends used to be 'bad boys'. They believed that they could do many things. After seeing the presentation, they believed that they could accomplish really anything.