No.
Since is used with points in time eg since last week, since yesterday, since 3:00am.
For is used with periods of time eg for 2hours, for 1 week, for 3 years.
I have been waiting for 2 hours.
I have been waiting since 5:00pm.
Some examples of present perfect continuous tense are: She has been studying for the exam all week. They have been waiting for the bus for half an hour. I have been working on this project since last month.
The Present Perfect Continuous denotes an action which began in the past, has been going on up to the present and may be still going on.The Present Perfect denote a complete action while with the Present Perfect Continuous there is no implication of completeness.The Formation of the Present Perfect Continuous isauxiliary verb "to have" (in present, past or future ) + "been" + "Participle I " (of the main verb):I have been workingI had been workingI'll have been workingExamples:It has been raining for two hours.It has been raining since early morning.It has been raining since you came.How long have you been waiting me? - I have been waiting for you for about an hour.
Present simple - I study mathematics. Present continuous - I am studying mathematics at university. Present perfect - I have studied mathematics for 3 years. Present perfect continuous - I have been studying mathematics since 2006. Present continuous (for future) - I am studying mathematics next year
The examples of a present perfect tense are those according to the following pattern: Subject + Have/has + verb in past participle As that we have: I have worked all day We have seen that movie before You have changed your ways in a huge manner He has never seen her Work and play around to see which other combination's you can get. The Brother has been improving since they recruited a new members. = present perfect continuous Jemariel Philline taja-on has been playing chess since she was in High School. = present perfect continuous The Cheetah has been the record holder for being the fastest animal in land.=not a good sentence. The cheetah is the record holder for the fastest animal on land. (not present perfect)
The correct answer is "it has been raining on and off since last Wednesday." This is because the present perfect continuous tense ("has been raining") is used to describe an action that started in the past and continues up to the present moment.
Some examples of present perfect continuous tense are: She has been studying for the exam all week. They have been waiting for the bus for half an hour. I have been working on this project since last month.
There are two verbs in this sentence have borrowed = present perfect was = past
The Present Perfect Continuous denotes an action which began in the past, has been going on up to the present and may be still going on.The Present Perfect denote a complete action while with the Present Perfect Continuous there is no implication of completeness.The Formation of the Present Perfect Continuous isauxiliary verb "to have" (in present, past or future ) + "been" + "Participle I " (of the main verb):I have been workingI had been workingI'll have been workingExamples:It has been raining for two hours.It has been raining since early morning.It has been raining since you came.How long have you been waiting me? - I have been waiting for you for about an hour.
Yes it can.
Present simple - I study mathematics. Present continuous - I am studying mathematics at university. Present perfect - I have studied mathematics for 3 years. Present perfect continuous - I have been studying mathematics since 2006. Present continuous (for future) - I am studying mathematics next year
The examples of a present perfect tense are those according to the following pattern: Subject + Have/has + verb in past participle As that we have: I have worked all day We have seen that movie before You have changed your ways in a huge manner He has never seen her Work and play around to see which other combination's you can get. The Brother has been improving since they recruited a new members. = present perfect continuous Jemariel Philline taja-on has been playing chess since she was in High School. = present perfect continuous The Cheetah has been the record holder for being the fastest animal in land.=not a good sentence. The cheetah is the record holder for the fastest animal on land. (not present perfect)
The correct answer is "it has been raining on and off since last Wednesday." This is because the present perfect continuous tense ("has been raining") is used to describe an action that started in the past and continues up to the present moment.
It's not necessary but it's common.
Future: She is going to be here on Thursday. We will go there as soon as possible. It will be dark before you get to Jane's house. You will be sorry! Jack and Susan are getting married next May. Present Perfect: Your cousin has recommended this book. The Liberals have promised to pas this law. Mary has broken her left ankle. We have been living here since 1973. - (this is present perfect continuous) She has studied German for 7 years.
No, "always" is used to indicate that something is continuous or unchanging. Since the past tense implies that something has already happened and is completed, it would be contradictory to use past tense after "always."
For is used for a period of time eg a week, a day, the holidays Since is used for a point in time eg 1984, last month, Christmas. I have had this cold for 3 days. ( a period of time) I have had this cold since Wednesday. (a point in time)
Present perfect.have gone is a present perfect verb phrasePresent perfect is have/has + past participle