Does lack of knowledge and approval affect a testator's ability to speak English?

When a will has been executed by a testator having testamentary capacity and that it was read by or read to the testator prior to execution, in the absence of suspicious circumstances, is there a presumption that the Testator knew and approved the contents of the will? (British Columbia, Canada)

When a will is executed by a testator, does the law of England or Canada raise a presumption of knowledge and approval if the will is read by the testator? (British Columbia, Canada)

What is the test for establishing that the knowledge and approval or approval or testamentary capacity of an individual is valid? (British Columbia, Canada)

What is the legal burden to prove the knowledge and approval of the testator in a will? (British Columbia, Canada)

What is the test for establishing that a party has knowledge and approval or otherwise knowledge of a deceased's estate? (British Columbia, Canada)

Is evidence of ongoing pain sufficient to ground a substantial possibility that a plaintiff’s pain will adversely affect her future ability to work? (British Columbia, Canada)

What is the effect of a material change in circumstances affecting the husband's ability to pay maintenance? (British Columbia, Canada)

What is the testator's obligation to provide for the biological child of a deceased testator? (British Columbia, Canada)

What is the testator's onus on his adult child to prove that funds held jointly by the Testator with the Child were intended as a gift? (British Columbia, Canada)

What is the test for establishing that a testator is aware of the effect of the testator’s actions? (British Columbia, Canada)