You don't.
Siegmund Salfeld was born in 1843.
Siegmund Salfeld died in 1926.
There is no past tense for child because child is a noun. We only use past tenses for verbs.
the past tense of control is CONTR0LLED . or did control.
The past tense of control is controlled. The future tense is will control.
Child soldiers are cheap to train and easy to control. If a leader can get past the moral and media issues, children make ideal soldiers.
The past tense of "control" would be "controlled".
The past tense of "bear your child" is "bore your child." This phrase is used to indicate that someone has given birth to a child in the past. For example, you might say, "She bore her child last year."
egypt was a colony in the past under control of who?
Yes. There is no statute of limitations on past-due child support.
The phrase "quality control" is a noun and so doesn't have a past tense. Only verbs have past tenses.
China and India have implemented population control measures in the past, such as the one-child policy in China. Other countries may have voluntary family planning programs to help manage population growth, but not explicit population control measures.