In the 1950s and 1960s, the largest food market for soybean meal was in meat processing, which used soy flour as a protein filler.
what has sulfur been used in the past?what has sulfur been used in the past?
what has sulfur been used in the past?what has sulfur been used in the past?
yes it has been used successfully in the past
You use perfect tenses when the action is, was, will be, or would have been, complete at the time spoken of. For example: 'I have finished my meal.' (I am speaking about the present time, and my action - eating my meal - is complete.) 'I had finished my meal when they rang me.' (I am speaking about the past, and my action - eating my meal - was complete at that time.) 'They will have finished their meal by the time you get there.' (I am speaking about the future, and their action - eating their meal - will be complete at that time.) 'We will have finished our meal if you get here at 2 o'clock.' (I am speaking about the future, and the action - eating our meal - will be complete if a condition is met.) 'They would have finished their meal if they had started eating sooner.' (I am speaking about the past, and the action - eating their meal - would have been complete if a condition - starting earlier - had been met.)
Yes it has been successful in the past
NO
Yes it has been successful in the past
Soybean is a cash crop and is also used in crop rotation to put nitrogen back into the soil.
Have is used for present and Have been is used for past continous.
Soybean and sugarcane are used for Biofuel
Soybean and sugarcane are used for Biofuel
"Been" is the past participle of the verb "to be." It is used to indicate that something has happened or existed in the past.