The present progressive tense of investigate is:
The present tense of 'knew' is 'know'.
The present perfect tense of clean is:I/You/We/They have cleaned.He/She/It has cleaned.
It is "clean/cleans".
The correct form is "when he sends." This is the present simple tense for third person singular subjects.
In Latin, most verbs have four principal parts: the first principle part is the present tense, the second is the perfect tense, the third is the supine, and the fourth is the past participle.
I/you/we/they have been investigating. He/she/it has been investigating.
The present perfect progressive tense of "investigate" is "has been investigating."
The past perfect progressive of investigate is had been investigating.
present tense past tense future tense present perfect tense past perfect tense future perfect tense present progressive tense past progressive tense future progressive tense present perfect progressive tense past perfect progressive tense future perfect progressive tense
The present tense of investigating is:I/You/We/They investigate.He/She/It investigates.The present participle is investigating.
The present progressive tense of withdraw is:I am withdrawing.You/We/They are withdrawing.He/She/It is withdrawing.
The present progressive tense of want is:I am wanting.He/She/It is wanting.You/We/They are wanting.
There are actually 6: Present progressive tense Present perfect progressive tense Past progressive tense Past perfect progressive tense Future progressive tense Future perfect progressive tense The progressive tense is also known as the continuous tense.
No, it is an example of the past progressive tense. "You are speaking." is the present progressive tense.
The present progressive tense of "walk" is "walking."
"Has been singing" is in the present perfect progressive tense. "Is singing" is the present progressive tense.
The present progressive tense of begin:I am beginning.You/We/They are beginning.He/She/It is beginning.