yes it does
Have is not a "to be" verb. Present tense forms of be: am/is/are Past tense forms of be: was/were Being is the present participle, and been is the past participle.
No, it is not. It is the past tense and past participle of the verb to offer (present, propose). It can be a verb form, a participial, or an adjective (e.g. offered terms).
stidiedhas studied because this leaves a sense of present tense where as will study is future tense and had studied is past tense and to put stuied is a simlpe form of the past tense.
has seen - is present perfect (third person) - he/she/ the doctor has seen had seen - is past perfect (all persons) - he/ she / the doctor / we / they had seen. has seen - present perfect is used to talk about something that happened in the past and is related some way to now. eg He has seen the movie before. had seen - past perfect is used to talk about something that happened in the past before another thing (usually past simple) that happened in the past. eg He had seen the movie when he went to Hamilton.
Present continuos tense: am/is/are excelling Present perfect continuous: have/has been excelling Past continuous tense: was /were excelling Past perfect continuous: had been excelling Future continuous tense: will be excelling Future perfect continuous: will have been excelling
The present perfect tense uses the past participle.
The tense that uses "had" is the past perfect tense, while the tense that uses "have" is the present perfect tense.
No. Were is a past tense of "be". The present perfect tense uses "have" and "has".
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Present continuous uses present tense be verbs ie am / is / are.I am walking the park. He is walking to the park. They are walking to the park.Past continuous uses past tense be verbs ie was / were.I was walking to the park. He was walking to the park. They were walking to the park
past: I was; you were; he/she/it was present: I am; you are; he/she/it is
Lamborghini uses a bull but it is not winged. I know of no company past or present that uses a winged bull.
Yes, that's correct. When the past tense is used in an independent clause, the dependent clause usually uses present tense. This creates a sense of harmony and sequence in the sentence.
Have is present tense. The past tense is had.
There is a past, present, and future. There was a past; there is a present and there will be a future.
what is present past
The key use of aluminum is in aircraft construction. It has many other uses too.