Translation of "考え始めました" in English

私は「チェスト（たんす）」について 考え始めました

I started to think about a chest of drawers.

私に出来ることはないかと 考え始めました

I started thinking about what I could do to help.

彼女はこの重大な課題について考え始めました

she began to think about this idea, this really critical question:

実は 私はこの教訓について 数週間前に考え始めました

I started to think about this lesson a couple of weeks ago actually,

外国語をちゃんと授業で先生に教えてもらわないと話せるようにならない、と近頃考え始めました。

Recently, I have come to think that it's impossible to become able to speak a foreign language unless you're in a classroom with a teacher teaching it to you properly.