'Have' is of the verb 'to have'. 'is' is of the verb 'to be'.
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
No, "were" is not present perfect. Present perfect is formed by using the past participle along with the auxiliary verb "have" or "has". For example, "have gone", "has eaten".
The present perfect tense uses the past participle.
Neutron source Alpha rays source for radiotherapy
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
Present indefinite tense is used to describe habitual actions, general truths, and scheduled events. It is also used to express simple facts and routine activities. Past indefinite tense is used to describe actions that were completed in the past and are not continuing in the present. It is used to narrate past events, state specific times of actions in the past, and express completed actions in the past.
Lamborghini uses a bull but it is not winged. I know of no company past or present that uses a winged bull.
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.
The key use of aluminum is in aircraft construction. It has many other uses too.
what is present past
When someone uses the term tin foil, that person is almost always talking about aluminum foil. Tin foil is an old term, and it has carried into the present where it is frequently used to mean aluminum or kitchen foil. Bon appétit!
The present continuous tense uses the present participle (the "-ing" form of the verb) along with a form of "to be" (am, is, are). This tense is used to describe actions that are happening right now or in the current moment.