He joined the army when he was 18,and for seceral months he was taught(teach)how to be a good soldier.他18岁参军,并且过了几个月,他就被教会怎样成为一个好士兵.
---整个事情发生在过去时间(他18岁的时候),所以用过去时,又根据意思理解,要用被动语态.
He joined the army when he was 18,and for seceral months he was taught(teach)how to be a good soldier.他18岁参军,并且过了几个月,他就被教会怎样成为一个好士兵.
---整个事情发生在过去时间(他18岁的时候),所以用过去时,又根据意思理解,要用被动语态.