How do distinguish between \"has not\", \"does not\", \"fails to\", and \"was not\" in Chinese?

5. I missed including “not”; just offering my thoughts to stimulate further discussion: 1. It has not yet been confirmed whether the valve is open. (Emphasis on completion) 2. It seems the grammar is incorrect; it’s too personified. 3. It was not possible to confirm whether the valve was open (emphasis on status). 4. The valve was not checked to see if it was open (emphasis on outcome). 5. It was confirmed that the valve was not in the open position (emphasis on status)

1. The valve has not been confirmed as open. The valve has not yet been verified to be open – this emphasizes that such verification is supposed to take place later, and it hasn’t happened yet. 2. The valve does not confirm open. The valve is not verified to be open – this highlights the current state of the valve. 3. The valve fails to confirm open. It is not possible to verify that the valve is open – this emphasizes that no signal indicating whether the valve is open or closed is being received. 4. The valve was not confirmed open. The verification of whether the valve is open was not carried out – this indicates that the verification should have been done but wasn’t. 5. The valve is confirmed open. It has been verified that the valve is open – this emphasizes that the verification has been completed

2. If the valve does not confirm to be open within a reasonable time, steam is supplied to the oil pipe. If the valve is not confirmed to be open within a reasonable time, steam is directed to the oil pipeline. (The conditions and results are both in the present tense, which is a bit confusing.) 4. But the trip might not have occurred if the valve was not confirmed to be open. However, if the valve was not confirmed to be open, the interlock trip might not have taken place. (My question: Was it confirmed that the valve wasn’t opened, or was it not even checked whether the valve was open?) ) 5. The valve is confirmed open. The valve is confirmed to be in the open position. It has not been confirmed that the valve is open. The valve is not confirmed to be in the open state. Additionally: It is confirmed that the valve is open. How would the on-site operator phrase this? “Valve confirmed open/It has been confirmed that the valve is open”? This post was last edited by echommm on 2008-2-23 12:18]

2. If it cannot be confirmed that the valve is open within a reasonable time, steam is sent to the oil pipe. If it is not possible to determine whether the valve is open after a certain period of time, steam can be supplied to the oil pipe. 4. But the trip might not have occurred if it was not confirmed that the valve was open. If it was confirmed that the valve was not open, then an interlock trip could not occur. 5. The valve is confirmed to be open. It has been confirmed that the valve is open. It has not been confirmed that the valve is open. It’s not clear whether the valve is open or not/It has been confirmed that the valve is not open (I’m not sure which phrase is more accurate). The valve is confirmed to be open. What would the on-site operators say? It has been confirmed that the valve is already open. I’m not sure if this is appropriate

2. If the valve does not confirm to be open within a reasonable time, steam is supplied to the oil pipe. If the valve is not confirmed to be open within a reasonable time, steam is directed to the oil pipeline. (The conditions and results are both in the present tense, which is a bit confusing.) *********** If the valve is not confirmed to be open within a reasonable time frame, and steam is introduced into the oil pipeline – I think this sentence isn’t complete yet :) It seems that it is only when these two conditions occur together that another event takes place; can ehrco provide more details? 4. But the trip might not have occurred if the valve was not confirmed to be open. However, if the valve was not confirmed to be open, the interlock trip might not have taken place. (My question: Was it confirmed that the valve wasn’t opened, or was it not even checked whether the valve was open?) ) It seems that no verification was done. In other words, if the valve’s status is correct, then the interlock mechanism probably won’t activate. 5. The valve is confirmed to be open. The valve has been verified as being open. The valve is not confirmed to be open. ****** The valve has not been confirmed to be open. Isn’t this sentence meant to say “The valve is confirmed NOT open.”? Additionally: It is confirmed that the valve is open. How would the on-site operator phrase this? “Valve confirmed open/It has been confirmed that the valve is open”? Generally speaking: Confirm that the valve is open (emphasizing that the operator must go to the site to verify the valve position)

2. If the valve does not confirm to be open within a reasonable time, steam is supplied to the oil pipe. If the valve is not confirmed to be open within a reasonable time, steam is directed to the oil pipeline. (The conditions and results are both in the present tense, which is a bit confusing.) *********** If the valve is not confirmed to be open within a reasonable time frame, and steam is introduced into the oil pipeline – I think this sentence isn’t complete yet :) It seems that it is only when these two conditions occur together that another event takes place; can ehrco provide more details? (thyclaire: If what is posted in the echo is a complete sentence, then the word “and” cannot be used.) 4. But the trip may not have occurred if the valve was not confirmed open. However, if it wasn’t confirmed that the valve was open, then the interlock mechanism might not have been activated. (My question: Was it confirmed that the valve wasn’t opened, or was it not even checked whether the valve was open?) ) It seems that no verification was done. In other words, if the valve is in the correct state, then the interlock might not activate. (Thyclaire: I have the same question, but after thinking about it, since the sentence is in the past tense, it doesn’t quite make sense to use the past tense if no verification was carried out regarding whether the valve was open or not. I’ll stick with the translation I used in my previous post.)

Confirming that the valve is open does not necessarily require an operator to go to the site to check the valve position. Generally, an open signal is sent to the valve from the SIS or DCS, and the valve then provides a feedback signal to indicate whether it is in the open or closed position. 2. If the valve does not confirm to be open within a reasonable time, steam is supplied to the oil pipe. If the valve is not confirmed to be open within a reasonable time, steam is directed to the oil pipeline. (It is a complete sentence, with another control action following it.) ) 4. But the trip might not have occurred if the valve was not confirmed to be open. However, if the valve is not confirmed to be open, the interlock trip may not take place. 5. The valve is confirmed open. The valve is confirmed to be in the open state. It has NOT been confirmed that the valve is open. (That’s what it says in the original text, indeed.) ) The valve is not confirmed to be open. Appendix: “is confirmed open/is NOT confirmed open” emphasizes the valve position at the time before the valve testing; therefore, it is better to treat this as a predicate). This post was last edited by echommm on 2008-2-23 15:06.]

Confirming that the valve is open does not necessarily require an operator to go to the site to check the valve position. Generally, an open signal is sent to the valve from the SIS or DCS, and the valve then provides a feedback signal to indicate whether it is in the open or closed position. Thyclaire: In my opinion, control systems can be used to open or close valves, but in some cases, isn’t it necessary for an operator to manually check them to confirm?