-Depends on the job start date on your offer letter. If your job starts immediately after you got the TN I-94/status, you will lose your H1 at the same time and thus you can not work for your previous H1 sponsor/employer after you got the TN I-94.
我还能在原公司继续工作两个星期吗?(之前为了保险起见,想等TN签下来再辞职,而现公司规定辞职要提前两星期)谢谢!