All progressive tenses (past, present, and future) and all perfect progressive tenses (past, present, and future) use a present participle.
Lead is present tense. The present participle is leading. Led is the past tense and past participle.
The tense "has seen" is in the present perfect tense. It is formed by combining the present tense of the auxiliary verb "has" with the past participle "seen" of the main verb.
The present perfect tense of "form" is "have formed" (for plural subjects) or "has formed" (for singular subjects). It is formed by using the auxiliary verb "have" or "has" followed by the past participle of the verb "form".
Present perfect. Present perfect is formed with have / has + past participle. transformed is the past participle of transform
Am is the present tense, first person singular conjugation of be. The past tense is was, and the past participle is been.
This is present continuous.Present contiuous is formed with am/is/are + present participle.
Lead is present tense. The present participle is leading. Led is the past tense and past participle.
The tense "has seen" is in the present perfect tense. It is formed by combining the present tense of the auxiliary verb "has" with the past participle "seen" of the main verb.
Present continuous is formed with be verb + present participle. The present tense be verbs = am / is / are, the present participle of come = coming so the present continuous isam/is/are coming
The present perfect tense of "form" is "have formed" (for plural subjects) or "has formed" (for singular subjects). It is formed by using the auxiliary verb "have" or "has" followed by the past participle of the verb "form".
Present perfect. Present perfect is formed with have / has + past participle. transformed is the past participle of transform
Am is the present tense, first person singular conjugation of be. The past tense is was, and the past participle is been.
Strike is the present tense, and struck is the past tense and past participle.
Pulled is the past tense and past participle of pull. Pulling is the present participle.
The past tense is bit. The present participle is biting. The past participle is bitten.
The past tense is ate.The present tense is:I/You/We/They eat.He/She/It eats.The past participle is eaten.
The present perfect tense of "see" is "have seen." It is formed by using the present tense of "have" or "has" with the past participle of "see." For example, "I have seen that movie before."