In Present perfect^x, Past tenses^x, Constructions^x

Hi there. Welcome to EF.The differense between them happens to be interchangeable in some informal way or in narratives. We use Past Simple along with Present Perfect when we're talking about events happened in the past, but Present Perfect points that event may occur in the present again.He...

Hello, everyone: I don't understand the following paragraph, cited from a grammar book, could you help me please?"there is an idiomatic exception to the rule that the simple past tense indicates definite meaning: this is the construction with "always" illustrated by "I...

Hi, YSchneider. I am not a native speaker and this is indeed a tough grammar point for non-native speakers.Here is an extract from CGEL*: Did you lock the front door?

Hello. Sorry to hear you're feeling uncomfortable with this type of activity. But you're not alone: I would be, too!The sentences lack context, which makes it difficult to tell when tense changes are necessary and when they are not (among other things).There is one sentence that is wrong...

It was thought (by many) to have been written by Michael.I hope the above sentence is correct. The construction ''was thought'' is in passive past tense and ''have been written'' is in passive present perfect tense.I don't understand why past tense is mixed with present tense. Please help me.

Sir, IV - The present prefect used with "for" and "since" A. "for" is used with a period of time: for six days, for a long time. "for" is used with the simple past tense denotes a terminated period of time. (e.g) We lived there for ten years. ( but we don't live there now) "for"...

Rule: Modal verbs (and "must" is one of them) cannot be followed by a past tense form. To express past tense after a modal add "have" and the past participle. This is not truly a "present perfect" but a "modal perfect". In the case of the modal perfect construction the difference between simple...

Rule: Modal verbs (and "must" is one of them) cannot be followed by a past tense form. To express past tense after a modal add "have" and the past participle. This is not truly a "present perfect" but a "modal perfect". In the case of the modal perfect construction the difference between...

Mr P: The distinction is clear, and has nothing to do with {teeth on edge} 'inclusiveness': Let us have no more touchy-feely grammar. JT: I allowed that it might, Mr P. I didn't state that it did. You may want to adress this issue with Casi. But before you do that, consider that grammatical...

Hello, Shiv The only wrong construction is sentence #1. "Went" is the past tense of "to go", and the past tense doesn't -as a norm- use an auxiliary verb in affirmative statements. And, in any case, the auxiliary of the past simple is "did": "He went out a while ago." "He didn't go out a while...