The use of present perfect tense. Present perfect tense is the second tense of present tense. This tense is use to express action actions that happened at an-indefinite time or that began in the past and continue in the present. This tense is also used when an activity has an effect on the present moment.
Use present perfect tense
Below are the use of present perfect tense:
Actions which happened at an indefinite (unknown) time before now
Actions in the past which have an effect on the present moment
Actions which began in the past and continue in the present
Form present perfect tense
After knowing the use of it, now we will deal with the form of present perfect tense. Below are the form of present perfect tense:
Basic form: Subject + Have/has + Verb (past participle form)
To form a sentence in the Present Perfect, you need:
The proper conjugation of the auxiliary verb "to have".
The Past Participle of your verb.
1. Auxiliary Verb "to have"
We conjugate the auxiliary verb "to have" the same way we would conjugate the normal verb "to have".
She has never seen my brother.
Neither Mike nor Tom has ever driven a truck.
2. The Past Participle
The past participle of a verb is a verb form that appears with the perfect tenses. The past participle can be either regular or irregular.
The regular verbs are formed by adding -ed to the verb. The formation of the irregular verbs does not follow one rule. Therefore, they should be memorized.
Subject + has/have + Verb (past participle form)
Here are some of the examples of present perfect tense that can be used for studying the topic about present perfect tense.
- Budi and Agus have worked here for five years.
- I have called you several times this week.
- I have gained five pounds since I started my diet.
- I have never tried to raise chickens.
- Have you read the book yet?
- I have seen that movie twenty times.
- They have had three tests in the last week.
- I have been to Bandung in the last year
- Rina has not finished his homework yet
- The army has attacked that city five times.
http://www.englishtenses.com/tenses/present_perfect. Accessed on January 5 2013
http://imarookie.wordpress.com/2011/04/01/contoh-kalimat-present-perfect-tense/. Accessed on January 5 2013