begin的过去式 began 开始；启动；起始；
begin的现在分词 beginning开头；开端；开始部分；
begin：v.开始；启动；起始；开始存在(或进行)；起初是；本来是
第三人称单数： begins现在分词： beginning过去式： began过去分词： begun
扩展资料 Work on the new bridge is due to begin in September.

新桥定于九月份动工。

She's been working there since the beginning of last summer.

她自从去年夏初起就一直在那里工作。

She began to explain her plan of action to the group.

她开始向小组讲解她的行动计划。

At last things were beginning to look up.

情况终于开始好转了。

A typical working day for me begins at 7.30.

我的工作日一般在7:30开始。