What type of verb is could?
auxiliary verbs
Is could past or present tense?
Could has no tenses, no participles, and no infinitive form. There is no past tense, but could have followed by a past participle is used for referring to something in the past that was not real, or something that may possibly have been real: I could have been killed.
How many future tenses are in English?
four future verb
Can I use past simple with today?
The past tense locates an action at a specific time in the past, but today is a sufficiently prolonged period of time to allow the use of the past tense on the same day.
Can we say today’s?
Todays(without the apostrophe) is not grammatically incorrect but it isn’t common in English. Todays is the plural of today but today is usually singular(it is one day).
Can we use present perfect with today?
We use the present perfect to talk about time up to now, that is, events that took place in the past but which connect with the present. The present perfect is often used with time expressions which indicate time up to now, for example today, this year, in the last six months: I haven’t seen her since January 1995.
How long is present perfect?
You can use the present perfect tense when you want to talk about how long you have done something, or for what amount of time you have done something. It is used to talk about an action that began in the past and continues up to the present (and will probably continue in the future).
Is hasn’t past tense?
To form a perfect construction, use the perfect auxiliary have followed by the past participle form of the verb: He hasn’t run home. He hasn’t come home in two days. He hasn’t told me anything.
What is present perfect tense and example?
The present perfect tense is a tense used in present to indicate the action that has taken place at some specific time. It uses auxiliary verb and past participle for the main verb i.e. verb + ed. Some examples of present perfect tense are – I have watched this movie before, He has completed his homework.
What is a present perfect sentence?
The present perfect tense refers to an action or state that either occurred at an indefinite time in the past (e.g., we have talked before) or began in the past and continued to the present time (e.g., he has grown impatient over the last hour). This tense is formed by have/has + the past participle.
What is a perfect tense sentence?
Perfect verb tense is used to show an action that is complete and finished, or perfected. This tense is expressed by adding one of the auxiliary verbs — have, has, or had — to the past participle form of the main verb. For example: I have seen the movie that was nominated for an Academy Award.