Is it

The password, a boarding pass and the food are the subject of is in the given examples, so you do not need to add an extra subject it. In it is raining , it is the subject so you cannot leave it out. So in short, only in the phrase it is raining do you use it , in the other examples it should not be there. The first version listed ( How is it possible? ) is the standard way of asking in the United States, Canada, England, Australia, etc. The second version ( How it is possible? ) is how English speakers in India ask this. Does it always agree with a singular verb? For example, does one say (i) or rather (ii)? (i) It is the birds he is chasing away. (ii) It are the birds he is chasing away. I just saw two sentences like Doing this is right. Or is it? To me it looks like the first sentence rephrases a common belief while the second announces the belief to be proved wrong later. Am I. This is an unhelpful answer. What is correct is irrelevant, and what is relevant is not correct. The question is clearly not about the general meaning of This is it , where it identifies something already established. It is talking about the idiom This is it , meaning We have arrived at the point we expected/awaited/feared. There's nothing about life itself in it. You say “ This is an apple.” while gestering with the hand to indicate what this refers to. Using it means you have already established a subject and can repeat it. E.g. you might continue with “It is good for you.”. Don’t use it without an antecedent. Do use this when presenting the thing being referred to. For the second, when you first start to talk you hold the glasses in your. When entertaining a young child who is learning English, I heard some people asking her What is it? when pointing to her finger. I was surprised because I always learned to ask What is this? w. The speaker is questioning the statement they have just made. Or introduces a different point of view, is it? wonders whether it is indeed a good book. what day it is today is a noun clause in your sentence, the direct object of the verb tell, and thus cannot be in an interrogative form. so your second sentence is the way to go. My girlfriend and I are having an argument about whether these two phrases mean the same thing: 'It is, isn't it' 'It is, is it not?' I argue that the first is affirmative. Meaning that it would.