sit up

• I sit
• you sit
• you sit
• he/she/it sits
• we sit
• they sit

• I sat
• you sat
• you sat
• he/she/it sat
• we sat
• they sat

• I am sitting
• you are sitting
• you are sitting
• he/she/it is sitting
• we are sitting
• they are sitting

• I have sat
• you have sat
• you have sat
• he/she/it has sat
• we have sat
• they have sat

• I will sit
• you will sit
• you will sit
• he/she/it will sit
• we will sit
• they will sit

• I will have sat
• you will have sat
• you will have sat
• he/she/it will have sat
• we will have sat
• they will have sat

• I was sitting
• you were sitting
• you were sitting
• he/she/it was sitting
• we were sitting
• they were sitting

• I had sat
• you had sat
• you had sat
• he/she/it had sat
• we had sat
• they had sat

• I will be sitting
• you will be sitting
• you will be sitting
• he/she/it will be sitting
• we will be sitting
• they will be sitting

• I have been sitting
• you have been sitting
• you have been sitting
• he/she/it has been sitting
• we have been sitting
• they have been sitting

• I had been sitting
• you had been sitting
• you had been sitting
• he/she/it had been sitting
• we had been sitting
• they had been sitting

• I will have been sitting
• you will have been sitting
• you will have been sitting
• he/she/it will have been sitting
• we will have been sitting
• they will have been sitting

• sitting

• sat

• having sat